19782510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{397}}^1$

素因数の和:569

約数の個数: 64

約数和(自身を含む): 52268544

約数和(自身を除く): 32486034

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 151, 165, 302, 330, 397, 453, 755, 794, 906, 1191, 1510, 1661, 1985, 2265, 2382, 3322, 3970, 4367, 4530, 4983, 5955, 8305, 8734, 9966, 11910, 13101, 16610, 21835, 24915, 26202, 43670, 49830, 59947, 65505, 119894, 131010, 179841, 299735, 359682, 599470, 659417, 899205, 1318834, 1798410, 1978251, 3297085, 3956502, 6594170, 9891255, 19782510]

約数ペア:

[(1, 19782510), (2, 9891255), (3, 6594170), (5, 3956502), (6, 3297085), (10, 1978251), (11, 1798410), (15, 1318834), (22, 899205), (30, 659417), (33, 599470), (55, 359682), (66, 299735), (110, 179841), (151, 131010), (165, 119894), (302, 65505), (330, 59947), (397, 49830), (453, 43670), (755, 26202), (794, 24915), (906, 21835), (1191, 16610), (1510, 13101), (1661, 11910), (1985, 9966), (2265, 8734), (2382, 8305), (3322, 5955), (3970, 4983), (4367, 4530)]