18958980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10193}}^1$

素因数の和:10236

約数の個数: 48

約数和(自身を含む): 54802944

約数和(自身を除く): 35843964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10193, 20386, 30579, 40772, 50965, 61158, 101930, 122316, 152895, 203860, 305790, 315983, 611580, 631966, 947949, 1263932, 1579915, 1895898, 3159830, 3791796, 4739745, 6319660, 9479490, 18958980]

約数ペア:

[(1, 18958980), (2, 9479490), (3, 6319660), (4, 4739745), (5, 3791796), (6, 3159830), (10, 1895898), (12, 1579915), (15, 1263932), (20, 947949), (30, 631966), (31, 611580), (60, 315983), (62, 305790), (93, 203860), (124, 152895), (155, 122316), (186, 101930), (310, 61158), (372, 50965), (465, 40772), (620, 30579), (930, 20386), (1860, 10193)]