19491914760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{490733}}^1$

素因数の和:491078

約数の個数: 64

約数和(自身を含む): 58652527680

約数和(自身を除く): 39160612920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 662, 993, 1324, 1655, 1986, 2648, 3310, 3972, 4965, 6620, 7944, 9930, 13240, 19860, 39720, 490733, 981466, 1472199, 1962932, 2453665, 2944398, 3925864, 4907330, 5888796, 7360995, 9814660, 11777592, 14721990, 19629320, 29443980, 58887960, 162432623, 324865246, 487297869, 649730492, 812163115, 974595738, 1299460984, 1624326230, 1949191476, 2436489345, 3248652460, 3898382952, 4872978690, 6497304920, 9745957380, 19491914760]

約数ペア:

[(1, 19491914760), (2, 9745957380), (3, 6497304920), (4, 4872978690), (5, 3898382952), (6, 3248652460), (8, 2436489345), (10, 1949191476), (12, 1624326230), (15, 1299460984), (20, 974595738), (24, 812163115), (30, 649730492), (40, 487297869), (60, 324865246), (120, 162432623), (331, 58887960), (662, 29443980), (993, 19629320), (1324, 14721990), (1655, 11777592), (1986, 9814660), (2648, 7360995), (3310, 5888796), (3972, 4907330), (4965, 3925864), (6620, 2944398), (7944, 2453665), (9930, 1962932), (13240, 1472199), (19860, 981466), (39720, 490733)]