18382840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 49124880

約数和(自身を除く): 30742040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 83, 98, 113, 140, 166, 196, 226, 245, 280, 332, 392, 415, 452, 490, 565, 581, 664, 791, 830, 904, 980, 1130, 1162, 1582, 1660, 1960, 2260, 2324, 2905, 3164, 3320, 3955, 4067, 4520, 4648, 5537, 5810, 6328, 7910, 8134, 9379, 11074, 11620, 15820, 16268, 18758, 20335, 22148, 23240, 27685, 31640, 32536, 37516, 40670, 44296, 46895, 55370, 65653, 75032, 81340, 93790, 110740, 131306, 162680, 187580, 221480, 262612, 328265, 375160, 459571, 525224, 656530, 919142, 1313060, 1838284, 2297855, 2626120, 3676568, 4595710, 9191420, 18382840]

約数ペア:

[(1, 18382840), (2, 9191420), (4, 4595710), (5, 3676568), (7, 2626120), (8, 2297855), (10, 1838284), (14, 1313060), (20, 919142), (28, 656530), (35, 525224), (40, 459571), (49, 375160), (56, 328265), (70, 262612), (83, 221480), (98, 187580), (113, 162680), (140, 131306), (166, 110740), (196, 93790), (226, 81340), (245, 75032), (280, 65653), (332, 55370), (392, 46895), (415, 44296), (452, 40670), (490, 37516), (565, 32536), (581, 31640), (664, 27685), (791, 23240), (830, 22148), (904, 20335), (980, 18758), (1130, 16268), (1162, 15820), (1582, 11620), (1660, 11074), (1960, 9379), (2260, 8134), (2324, 7910), (2905, 6328), (3164, 5810), (3320, 5537), (3955, 4648), (4067, 4520)]