18996880630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{1283}}^1$

素因数の和:1670

約数の個数: 128

約数和(自身を含む): 43052663808

約数和(自身を除く): 24055783178

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 53, 65, 70, 91, 106, 130, 182, 265, 307, 371, 455, 530, 614, 689, 742, 910, 1283, 1378, 1535, 1855, 2149, 2566, 3070, 3445, 3710, 3991, 4298, 4823, 6415, 6890, 7982, 8981, 9646, 10745, 12830, 16271, 16679, 17962, 19955, 21490, 24115, 27937, 32542, 33358, 39910, 44905, 48230, 55874, 67999, 81355, 83395, 89810, 113897, 116753, 135998, 139685, 162710, 166790, 211523, 227794, 233506, 279370, 339995, 393881, 423046, 475993, 569485, 583765, 679990, 787762, 883987, 951986, 1057615, 1138970, 1167530, 1480661, 1767974, 1969405, 2115230, 2379965, 2757167, 2961322, 3938810, 4419935, 4759930, 5120453, 5514334, 6187909, 7403305, 8839870, 10240906, 12375818, 13785835, 14806610, 20875693, 25602265, 27571670, 30939545, 35843171, 41751386, 51204530, 61879090, 71686342, 104378465, 146129851, 179215855, 208756930, 271384009, 292259702, 358431710, 542768018, 730649255, 1356920045, 1461298510, 1899688063, 2713840090, 3799376126, 9498440315, 18996880630]

約数ペア:

[(1, 18996880630), (2, 9498440315), (5, 3799376126), (7, 2713840090), (10, 1899688063), (13, 1461298510), (14, 1356920045), (26, 730649255), (35, 542768018), (53, 358431710), (65, 292259702), (70, 271384009), (91, 208756930), (106, 179215855), (130, 146129851), (182, 104378465), (265, 71686342), (307, 61879090), (371, 51204530), (455, 41751386), (530, 35843171), (614, 30939545), (689, 27571670), (742, 25602265), (910, 20875693), (1283, 14806610), (1378, 13785835), (1535, 12375818), (1855, 10240906), (2149, 8839870), (2566, 7403305), (3070, 6187909), (3445, 5514334), (3710, 5120453), (3991, 4759930), (4298, 4419935), (4823, 3938810), (6415, 2961322), (6890, 2757167), (7982, 2379965), (8981, 2115230), (9646, 1969405), (10745, 1767974), (12830, 1480661), (16271, 1167530), (16679, 1138970), (17962, 1057615), (19955, 951986), (21490, 883987), (24115, 787762), (27937, 679990), (32542, 583765), (33358, 569485), (39910, 475993), (44905, 423046), (48230, 393881), (55874, 339995), (67999, 279370), (81355, 233506), (83395, 227794), (89810, 211523), (113897, 166790), (116753, 162710), (135998, 139685)]