18893120

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:208

約数の個数: 112

約数和(自身を含む): 50035968

約数和(自身を除く): 31142848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 136, 151, 160, 170, 184, 230, 272, 302, 320, 340, 368, 391, 460, 544, 604, 680, 736, 755, 782, 920, 1088, 1208, 1360, 1472, 1510, 1564, 1840, 1955, 2416, 2567, 2720, 3020, 3128, 3473, 3680, 3910, 4832, 5134, 5440, 6040, 6256, 6946, 7360, 7820, 9664, 10268, 12080, 12512, 12835, 13892, 15640, 17365, 20536, 24160, 25024, 25670, 27784, 31280, 34730, 41072, 48320, 51340, 55568, 59041, 62560, 69460, 82144, 102680, 111136, 118082, 125120, 138920, 164288, 205360, 222272, 236164, 277840, 295205, 410720, 472328, 555680, 590410, 821440, 944656, 1111360, 1180820, 1889312, 2361640, 3778624, 4723280, 9446560, 18893120]

約数ペア:

[(1, 18893120), (2, 9446560), (4, 4723280), (5, 3778624), (8, 2361640), (10, 1889312), (16, 1180820), (17, 1111360), (20, 944656), (23, 821440), (32, 590410), (34, 555680), (40, 472328), (46, 410720), (64, 295205), (68, 277840), (80, 236164), (85, 222272), (92, 205360), (115, 164288), (136, 138920), (151, 125120), (160, 118082), (170, 111136), (184, 102680), (230, 82144), (272, 69460), (302, 62560), (320, 59041), (340, 55568), (368, 51340), (391, 48320), (460, 41072), (544, 34730), (604, 31280), (680, 27784), (736, 25670), (755, 25024), (782, 24160), (920, 20536), (1088, 17365), (1208, 15640), (1360, 13892), (1472, 12835), (1510, 12512), (1564, 12080), (1840, 10268), (1955, 9664), (2416, 7820), (2567, 7360), (2720, 6946), (3020, 6256), (3128, 6040), (3473, 5440), (3680, 5134), (3910, 4832)]