18996914888625

素因数分解:

$3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1\times {\mathrm{28559}}^1$

素因数の和:29056

約数の個数: 128

約数和(自身を含む): 32766357012480

約数和(自身を除く): 13769442123855

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 125, 185, 191, 251, 375, 555, 573, 753, 925, 955, 1255, 2775, 2865, 3765, 4625, 4775, 6275, 7067, 9287, 13875, 14325, 18825, 21201, 23875, 27861, 28559, 31375, 35335, 46435, 47941, 71625, 85677, 94125, 106005, 139305, 142795, 143823, 176675, 232175, 239705, 428385, 530025, 696525, 713975, 719115, 883375, 1056683, 1160875, 1198525, 1773817, 2141925, 2650125, 3170049, 3482625, 3569875, 3595575, 5283415, 5321451, 5454769, 5992625, 7168309, 8869085, 10709625, 15850245, 16364307, 17977875, 21504927, 26417075, 26607255, 27273845, 35841545, 44345425, 79251225, 81821535, 107524635, 132085375, 133036275, 136369225, 179207725, 201826453, 221727125, 265227433, 396256125, 409107675, 537623175, 605479359, 665181375, 681846125, 795682299, 896038625, 1009132265, 1326137165, 1369147019, 2045538375, 2688115875, 3027396795, 3978411495, 4107441057, 5045661325, 6630685825, 6845735095, 15136983975, 19892057475, 20537205285, 25228306625, 33153429125, 34228675475, 50658439703, 75684919875, 99460287375, 102686026425, 151975319109, 171143377375, 253292198515, 513430132125, 759876595545, 1266460992575, 3799382977725, 6332304962875, 18996914888625]

約数ペア:

[(1, 18996914888625), (3, 6332304962875), (5, 3799382977725), (15, 1266460992575), (25, 759876595545), (37, 513430132125), (75, 253292198515), (111, 171143377375), (125, 151975319109), (185, 102686026425), (191, 99460287375), (251, 75684919875), (375, 50658439703), (555, 34228675475), (573, 33153429125), (753, 25228306625), (925, 20537205285), (955, 19892057475), (1255, 15136983975), (2775, 6845735095), (2865, 6630685825), (3765, 5045661325), (4625, 4107441057), (4775, 3978411495), (6275, 3027396795), (7067, 2688115875), (9287, 2045538375), (13875, 1369147019), (14325, 1326137165), (18825, 1009132265), (21201, 896038625), (23875, 795682299), (27861, 681846125), (28559, 665181375), (31375, 605479359), (35335, 537623175), (46435, 409107675), (47941, 396256125), (71625, 265227433), (85677, 221727125), (94125, 201826453), (106005, 179207725), (139305, 136369225), (142795, 133036275), (143823, 132085375), (176675, 107524635), (232175, 81821535), (239705, 79251225), (428385, 44345425), (530025, 35841545), (696525, 27273845), (713975, 26607255), (719115, 26417075), (883375, 21504927), (1056683, 17977875), (1160875, 16364307), (1198525, 15850245), (1773817, 10709625), (2141925, 8869085), (2650125, 7168309), (3170049, 5992625), (3482625, 5454769), (3569875, 5321451), (3595575, 5283415)]