18782340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4409}}^1$

素因数の和:4492

約数の個数: 48

約数和(自身を含む): 53343360

約数和(自身を除く): 34561020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4409, 8818, 13227, 17636, 22045, 26454, 44090, 52908, 66135, 88180, 132270, 264540, 313039, 626078, 939117, 1252156, 1565195, 1878234, 3130390, 3756468, 4695585, 6260780, 9391170, 18782340]

約数ペア:

[(1, 18782340), (2, 9391170), (3, 6260780), (4, 4695585), (5, 3756468), (6, 3130390), (10, 1878234), (12, 1565195), (15, 1252156), (20, 939117), (30, 626078), (60, 313039), (71, 264540), (142, 132270), (213, 88180), (284, 66135), (355, 52908), (426, 44090), (710, 26454), (852, 22045), (1065, 17636), (1420, 13227), (2130, 8818), (4260, 4409)]