18354648

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 50047200

約数和(自身を除く): 31692552

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 89, 104, 156, 178, 267, 312, 356, 534, 661, 712, 1068, 1157, 1322, 1983, 2136, 2314, 2644, 3471, 3966, 4628, 5288, 6942, 7932, 8593, 9256, 13884, 15864, 17186, 25779, 27768, 34372, 51558, 58829, 68744, 103116, 117658, 176487, 206232, 235316, 352974, 470632, 705948, 764777, 1411896, 1529554, 2294331, 3059108, 4588662, 6118216, 9177324, 18354648]

約数ペア:

[(1, 18354648), (2, 9177324), (3, 6118216), (4, 4588662), (6, 3059108), (8, 2294331), (12, 1529554), (13, 1411896), (24, 764777), (26, 705948), (39, 470632), (52, 352974), (78, 235316), (89, 206232), (104, 176487), (156, 117658), (178, 103116), (267, 68744), (312, 58829), (356, 51558), (534, 34372), (661, 27768), (712, 25779), (1068, 17186), (1157, 15864), (1322, 13884), (1983, 9256), (2136, 8593), (2314, 7932), (2644, 6942), (3471, 5288), (3966, 4628)]