18980248

素因数分解:

$2^3\times 7^3\times {\mathrm{6917}}^1$

素因数の和:6944

約数の個数: 32

約数和(自身を含む): 41508000

約数和(自身を除く): 22527752

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 6917, 13834, 27668, 48419, 55336, 96838, 193676, 338933, 387352, 677866, 1355732, 2372531, 2711464, 4745062, 9490124, 18980248]

約数ペア:

[(1, 18980248), (2, 9490124), (4, 4745062), (7, 2711464), (8, 2372531), (14, 1355732), (28, 677866), (49, 387352), (56, 338933), (98, 193676), (196, 96838), (343, 55336), (392, 48419), (686, 27668), (1372, 13834), (2744, 6917)]