19520490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:567

約数の個数: 64

約数和(自身を含む): 51580800

約数和(自身を除く): 32060310

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 149, 165, 298, 330, 397, 447, 745, 794, 894, 1191, 1490, 1639, 1985, 2235, 2382, 3278, 3970, 4367, 4470, 4917, 5955, 8195, 8734, 9834, 11910, 13101, 16390, 21835, 24585, 26202, 43670, 49170, 59153, 65505, 118306, 131010, 177459, 295765, 354918, 591530, 650683, 887295, 1301366, 1774590, 1952049, 3253415, 3904098, 6506830, 9760245, 19520490]

約数ペア:

[(1, 19520490), (2, 9760245), (3, 6506830), (5, 3904098), (6, 3253415), (10, 1952049), (11, 1774590), (15, 1301366), (22, 887295), (30, 650683), (33, 591530), (55, 354918), (66, 295765), (110, 177459), (149, 131010), (165, 118306), (298, 65505), (330, 59153), (397, 49170), (447, 43670), (745, 26202), (794, 24585), (894, 21835), (1191, 16390), (1490, 13101), (1639, 11910), (1985, 9834), (2235, 8734), (2382, 8195), (3278, 5955), (3970, 4917), (4367, 4470)]