11639020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 26056800

約数和(自身を除く): 14417780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 281, 380, 436, 545, 562, 1090, 1124, 1405, 2071, 2180, 2810, 4142, 5339, 5620, 8284, 10355, 10678, 20710, 21356, 26695, 30629, 41420, 53390, 61258, 106780, 122516, 153145, 306290, 581951, 612580, 1163902, 2327804, 2909755, 5819510, 11639020]

約数ペア:

[(1, 11639020), (2, 5819510), (4, 2909755), (5, 2327804), (10, 1163902), (19, 612580), (20, 581951), (38, 306290), (76, 153145), (95, 122516), (109, 106780), (190, 61258), (218, 53390), (281, 41420), (380, 30629), (436, 26695), (545, 21356), (562, 20710), (1090, 10678), (1124, 10355), (1405, 8284), (2071, 5620), (2180, 5339), (2810, 4142)]