18900000010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1913}}^1\times {\mathrm{24097}}^1$

素因数の和:26058

約数の個数: 32

約数和(自身を含む): 34869420432

約数和(自身を除く): 15969420422

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1913, 3826, 9565, 19130, 24097, 48194, 78433, 120485, 156866, 240970, 392165, 784330, 987977, 1975954, 4939885, 9879770, 46097561, 92195122, 230487805, 460975610, 1890000001, 3780000002, 9450000005, 18900000010]

約数ペア:

[(1, 18900000010), (2, 9450000005), (5, 3780000002), (10, 1890000001), (41, 460975610), (82, 230487805), (205, 92195122), (410, 46097561), (1913, 9879770), (3826, 4939885), (9565, 1975954), (19130, 987977), (24097, 784330), (48194, 392165), (78433, 240970), (120485, 156866)]