18894128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3463}}^1$

素因数の和:3513

約数の個数: 40

約数和(自身を含む): 41235456

約数和(自身を除く): 22341328

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3463, 5456, 6926, 13852, 27704, 38093, 55408, 76186, 107353, 152372, 214706, 304744, 429412, 609488, 858824, 1180883, 1717648, 2361766, 4723532, 9447064, 18894128]

約数ペア:

[(1, 18894128), (2, 9447064), (4, 4723532), (8, 2361766), (11, 1717648), (16, 1180883), (22, 858824), (31, 609488), (44, 429412), (62, 304744), (88, 214706), (124, 152372), (176, 107353), (248, 76186), (341, 55408), (496, 38093), (682, 27704), (1364, 13852), (2728, 6926), (3463, 5456)]