18967020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{911}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 53319168

約数和(自身を除く): 34352148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347, 694, 911, 1041, 1388, 1735, 1822, 2082, 2733, 3470, 3644, 4164, 4555, 5205, 5466, 6940, 9110, 10410, 10932, 13665, 18220, 20820, 27330, 54660, 316117, 632234, 948351, 1264468, 1580585, 1896702, 3161170, 3793404, 4741755, 6322340, 9483510, 18967020]

約数ペア:

[(1, 18967020), (2, 9483510), (3, 6322340), (4, 4741755), (5, 3793404), (6, 3161170), (10, 1896702), (12, 1580585), (15, 1264468), (20, 948351), (30, 632234), (60, 316117), (347, 54660), (694, 27330), (911, 20820), (1041, 18220), (1388, 13665), (1735, 10932), (1822, 10410), (2082, 9110), (2733, 6940), (3470, 5466), (3644, 5205), (4164, 4555)]