18765450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:269

約数の個数: 144

約数和(自身を含む): 58496256

約数和(自身を除く): 39730806

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 25, 30, 33, 34, 45, 50, 51, 55, 66, 75, 85, 90, 99, 102, 110, 150, 153, 165, 170, 187, 198, 223, 225, 255, 275, 306, 330, 374, 425, 446, 450, 495, 510, 550, 561, 669, 765, 825, 850, 935, 990, 1115, 1122, 1275, 1338, 1530, 1650, 1683, 1870, 2007, 2230, 2453, 2475, 2550, 2805, 3345, 3366, 3791, 3825, 4014, 4675, 4906, 4950, 5575, 5610, 6690, 7359, 7582, 7650, 8415, 9350, 10035, 11150, 11373, 12265, 14025, 14718, 16725, 16830, 18955, 20070, 22077, 22746, 24530, 28050, 33450, 34119, 36795, 37910, 41701, 42075, 44154, 50175, 56865, 61325, 68238, 73590, 83402, 84150, 94775, 100350, 110385, 113730, 122650, 125103, 170595, 183975, 189550, 208505, 220770, 250206, 284325, 341190, 367950, 375309, 417010, 551925, 568650, 625515, 750618, 852975, 1042525, 1103850, 1251030, 1705950, 1876545, 2085050, 3127575, 3753090, 6255150, 9382725, 18765450]

約数ペア:

[(1, 18765450), (2, 9382725), (3, 6255150), (5, 3753090), (6, 3127575), (9, 2085050), (10, 1876545), (11, 1705950), (15, 1251030), (17, 1103850), (18, 1042525), (22, 852975), (25, 750618), (30, 625515), (33, 568650), (34, 551925), (45, 417010), (50, 375309), (51, 367950), (55, 341190), (66, 284325), (75, 250206), (85, 220770), (90, 208505), (99, 189550), (102, 183975), (110, 170595), (150, 125103), (153, 122650), (165, 113730), (170, 110385), (187, 100350), (198, 94775), (223, 84150), (225, 83402), (255, 73590), (275, 68238), (306, 61325), (330, 56865), (374, 50175), (425, 44154), (446, 42075), (450, 41701), (495, 37910), (510, 36795), (550, 34119), (561, 33450), (669, 28050), (765, 24530), (825, 22746), (850, 22077), (935, 20070), (990, 18955), (1115, 16830), (1122, 16725), (1275, 14718), (1338, 14025), (1530, 12265), (1650, 11373), (1683, 11150), (1870, 10035), (2007, 9350), (2230, 8415), (2453, 7650), (2475, 7582), (2550, 7359), (2805, 6690), (3345, 5610), (3366, 5575), (3791, 4950), (3825, 4906), (4014, 4675)]