18677912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11171}}^1$

素因数の和:11207

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 21541288

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 11171, 22342, 44684, 89368, 122881, 212249, 245762, 424498, 491524, 848996, 983048, 1697992, 2334739, 4669478, 9338956, 18677912]

約数ペア:

[(1, 18677912), (2, 9338956), (4, 4669478), (8, 2334739), (11, 1697992), (19, 983048), (22, 848996), (38, 491524), (44, 424498), (76, 245762), (88, 212249), (152, 122881), (209, 89368), (418, 44684), (836, 22342), (1672, 11171)]