19998798435

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{52951}}^1$

素因数の和:53089

約数の個数: 96

約数和(自身を含む): 43615503360

約数和(自身を除く): 23616704925

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 109, 165, 231, 315, 327, 385, 495, 545, 693, 763, 981, 1155, 1199, 1635, 2289, 3465, 3597, 3815, 4905, 5995, 6867, 8393, 10791, 11445, 17985, 25179, 34335, 41965, 52951, 53955, 75537, 125895, 158853, 264755, 370657, 377685, 476559, 582461, 794265, 1111971, 1747383, 1853285, 2382795, 2912305, 3335913, 4077227, 5242149, 5559855, 5771659, 8736915, 12231681, 16679565, 17314977, 20386135, 26210745, 28858295, 36695043, 40401613, 51944931, 61158405, 63488249, 86574885, 121204839, 183475215, 190464747, 202008065, 259724655, 317441245, 363614517, 444417743, 571394241, 606024195, 952323735, 1333253229, 1818072585, 2222088715, 2856971205, 3999759687, 6666266145, 19998798435]

約数ペア:

[(1, 19998798435), (3, 6666266145), (5, 3999759687), (7, 2856971205), (9, 2222088715), (11, 1818072585), (15, 1333253229), (21, 952323735), (33, 606024195), (35, 571394241), (45, 444417743), (55, 363614517), (63, 317441245), (77, 259724655), (99, 202008065), (105, 190464747), (109, 183475215), (165, 121204839), (231, 86574885), (315, 63488249), (327, 61158405), (385, 51944931), (495, 40401613), (545, 36695043), (693, 28858295), (763, 26210745), (981, 20386135), (1155, 17314977), (1199, 16679565), (1635, 12231681), (2289, 8736915), (3465, 5771659), (3597, 5559855), (3815, 5242149), (4905, 4077227), (5995, 3335913), (6867, 2912305), (8393, 2382795), (10791, 1853285), (11445, 1747383), (17985, 1111971), (25179, 794265), (34335, 582461), (41965, 476559), (52951, 377685), (53955, 370657), (75537, 264755), (125895, 158853)]