18865170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{653}}^1$

素因数の和:776

約数の個数: 64

約数和(自身を含む): 50855040

約数和(自身を除く): 31989870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 107, 135, 214, 270, 321, 535, 642, 653, 963, 1070, 1306, 1605, 1926, 1959, 2889, 3210, 3265, 3918, 4815, 5778, 5877, 6530, 9630, 9795, 11754, 14445, 17631, 19590, 28890, 29385, 35262, 58770, 69871, 88155, 139742, 176310, 209613, 349355, 419226, 628839, 698710, 1048065, 1257678, 1886517, 2096130, 3144195, 3773034, 6288390, 9432585, 18865170]

約数ペア:

[(1, 18865170), (2, 9432585), (3, 6288390), (5, 3773034), (6, 3144195), (9, 2096130), (10, 1886517), (15, 1257678), (18, 1048065), (27, 698710), (30, 628839), (45, 419226), (54, 349355), (90, 209613), (107, 176310), (135, 139742), (214, 88155), (270, 69871), (321, 58770), (535, 35262), (642, 29385), (653, 28890), (963, 19590), (1070, 17631), (1306, 14445), (1605, 11754), (1926, 9795), (1959, 9630), (2889, 6530), (3210, 5877), (3265, 5778), (3918, 4815)]