18851260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 41803776

約数和(自身を除く): 22952516

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 383, 428, 460, 535, 766, 1070, 1532, 1915, 2140, 2461, 3830, 4922, 7660, 8809, 9844, 12305, 17618, 24610, 35236, 40981, 44045, 49220, 81962, 88090, 163924, 176180, 204905, 409810, 819620, 942563, 1885126, 3770252, 4712815, 9425630, 18851260]

約数ペア:

[(1, 18851260), (2, 9425630), (4, 4712815), (5, 3770252), (10, 1885126), (20, 942563), (23, 819620), (46, 409810), (92, 204905), (107, 176180), (115, 163924), (214, 88090), (230, 81962), (383, 49220), (428, 44045), (460, 40981), (535, 35236), (766, 24610), (1070, 17618), (1532, 12305), (1915, 9844), (2140, 8809), (2461, 7660), (3830, 4922)]