19091220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5393}}^1$

素因数の和:5464

約数の個数: 48

約数和(自身を含む): 54371520

約数和(自身を除く): 35280300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 5393, 10786, 16179, 21572, 26965, 32358, 53930, 64716, 80895, 107860, 161790, 318187, 323580, 636374, 954561, 1272748, 1590935, 1909122, 3181870, 3818244, 4772805, 6363740, 9545610, 19091220]

約数ペア:

[(1, 19091220), (2, 9545610), (3, 6363740), (4, 4772805), (5, 3818244), (6, 3181870), (10, 1909122), (12, 1590935), (15, 1272748), (20, 954561), (30, 636374), (59, 323580), (60, 318187), (118, 161790), (177, 107860), (236, 80895), (295, 64716), (354, 53930), (590, 32358), (708, 26965), (885, 21572), (1180, 16179), (1770, 10786), (3540, 5393)]