19470440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 53654400

約数和(自身を除く): 34183960

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 85, 88, 95, 110, 136, 137, 152, 170, 187, 190, 209, 220, 274, 323, 340, 374, 380, 418, 440, 548, 646, 680, 685, 748, 760, 836, 935, 1045, 1096, 1292, 1370, 1496, 1507, 1615, 1672, 1870, 2090, 2329, 2584, 2603, 2740, 3014, 3230, 3553, 3740, 4180, 4658, 5206, 5480, 6028, 6460, 7106, 7480, 7535, 8360, 9316, 10412, 11645, 12056, 12920, 13015, 14212, 15070, 17765, 18632, 20824, 23290, 25619, 26030, 28424, 28633, 30140, 35530, 44251, 46580, 51238, 52060, 57266, 60280, 71060, 88502, 93160, 102476, 104120, 114532, 128095, 142120, 143165, 177004, 204952, 221255, 229064, 256190, 286330, 354008, 442510, 486761, 512380, 572660, 885020, 973522, 1024760, 1145320, 1770040, 1947044, 2433805, 3894088, 4867610, 9735220, 19470440]

約数ペア:

[(1, 19470440), (2, 9735220), (4, 4867610), (5, 3894088), (8, 2433805), (10, 1947044), (11, 1770040), (17, 1145320), (19, 1024760), (20, 973522), (22, 885020), (34, 572660), (38, 512380), (40, 486761), (44, 442510), (55, 354008), (68, 286330), (76, 256190), (85, 229064), (88, 221255), (95, 204952), (110, 177004), (136, 143165), (137, 142120), (152, 128095), (170, 114532), (187, 104120), (190, 102476), (209, 93160), (220, 88502), (274, 71060), (323, 60280), (340, 57266), (374, 52060), (380, 51238), (418, 46580), (440, 44251), (548, 35530), (646, 30140), (680, 28633), (685, 28424), (748, 26030), (760, 25619), (836, 23290), (935, 20824), (1045, 18632), (1096, 17765), (1292, 15070), (1370, 14212), (1496, 13015), (1507, 12920), (1615, 12056), (1672, 11645), (1870, 10412), (2090, 9316), (2329, 8360), (2584, 7535), (2603, 7480), (2740, 7106), (3014, 6460), (3230, 6028), (3553, 5480), (3740, 5206), (4180, 4658)]