19457360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 49778064

約数和(自身を除く): 30320704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 353, 424, 520, 530, 689, 706, 848, 1040, 1060, 1378, 1412, 1765, 2120, 2756, 2824, 3445, 3530, 4240, 4589, 5512, 5648, 6890, 7060, 9178, 11024, 13780, 14120, 18356, 18709, 22945, 27560, 28240, 36712, 37418, 45890, 55120, 73424, 74836, 91780, 93545, 149672, 183560, 187090, 243217, 299344, 367120, 374180, 486434, 748360, 972868, 1216085, 1496720, 1945736, 2432170, 3891472, 4864340, 9728680, 19457360]

約数ペア:

[(1, 19457360), (2, 9728680), (4, 4864340), (5, 3891472), (8, 2432170), (10, 1945736), (13, 1496720), (16, 1216085), (20, 972868), (26, 748360), (40, 486434), (52, 374180), (53, 367120), (65, 299344), (80, 243217), (104, 187090), (106, 183560), (130, 149672), (208, 93545), (212, 91780), (260, 74836), (265, 73424), (353, 55120), (424, 45890), (520, 37418), (530, 36712), (689, 28240), (706, 27560), (848, 22945), (1040, 18709), (1060, 18356), (1378, 14120), (1412, 13780), (1765, 11024), (2120, 9178), (2756, 7060), (2824, 6890), (3445, 5648), (3530, 5512), (4240, 4589)]