18888931744

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{307277}}^1$

素因数の和:307417

約数の個数: 48

約数和(自身を含む): 39723670728

約数和(自身を除く): 20834738984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 113, 136, 226, 272, 452, 544, 904, 1808, 1921, 3616, 3842, 7684, 15368, 30736, 61472, 307277, 614554, 1229108, 2458216, 4916432, 5223709, 9832864, 10447418, 20894836, 34722301, 41789672, 69444602, 83579344, 138889204, 167158688, 277778408, 555556816, 590279117, 1111113632, 1180558234, 2361116468, 4722232936, 9444465872, 18888931744]

約数ペア:

[(1, 18888931744), (2, 9444465872), (4, 4722232936), (8, 2361116468), (16, 1180558234), (17, 1111113632), (32, 590279117), (34, 555556816), (68, 277778408), (113, 167158688), (136, 138889204), (226, 83579344), (272, 69444602), (452, 41789672), (544, 34722301), (904, 20894836), (1808, 10447418), (1921, 9832864), (3616, 5223709), (3842, 4916432), (7684, 2458216), (15368, 1229108), (30736, 614554), (61472, 307277)]