11918260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 26449920

約数和(自身を除く): 14531660

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 409, 470, 620, 818, 940, 1457, 1636, 2045, 2914, 4090, 5828, 7285, 8180, 12679, 14570, 19223, 25358, 29140, 38446, 50716, 63395, 76892, 96115, 126790, 192230, 253580, 384460, 595913, 1191826, 2383652, 2979565, 5959130, 11918260]

約数ペア:

[(1, 11918260), (2, 5959130), (4, 2979565), (5, 2383652), (10, 1191826), (20, 595913), (31, 384460), (47, 253580), (62, 192230), (94, 126790), (124, 96115), (155, 76892), (188, 63395), (235, 50716), (310, 38446), (409, 29140), (470, 25358), (620, 19223), (818, 14570), (940, 12679), (1457, 8180), (1636, 7285), (2045, 5828), (2914, 4090)]