19609018

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 36465408

約数和(自身を除く): 16856390

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 121, 143, 242, 253, 271, 286, 299, 506, 542, 598, 1573, 2783, 2981, 3146, 3289, 3523, 5566, 5962, 6233, 6578, 7046, 12466, 32791, 36179, 38753, 65582, 68563, 72358, 77506, 81029, 137126, 162058, 426283, 754193, 852566, 891319, 1508386, 1782638, 9804509, 19609018]

約数ペア:

[(1, 19609018), (2, 9804509), (11, 1782638), (13, 1508386), (22, 891319), (23, 852566), (26, 754193), (46, 426283), (121, 162058), (143, 137126), (242, 81029), (253, 77506), (271, 72358), (286, 68563), (299, 65582), (506, 38753), (542, 36179), (598, 32791), (1573, 12466), (2783, 7046), (2981, 6578), (3146, 6233), (3289, 5962), (3523, 5566)]