18700380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4517}}^1$

素因数の和:4555

約数の個数: 72

約数和(自身を含む): 59203872

約数和(自身を除く): 40503492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4517, 9034, 13551, 18068, 22585, 27102, 40653, 45170, 54204, 67755, 81306, 90340, 103891, 135510, 162612, 203265, 207782, 271020, 311673, 406530, 415564, 519455, 623346, 813060, 935019, 1038910, 1246692, 1558365, 1870038, 2077820, 3116730, 3740076, 4675095, 6233460, 9350190, 18700380]

約数ペア:

[(1, 18700380), (2, 9350190), (3, 6233460), (4, 4675095), (5, 3740076), (6, 3116730), (9, 2077820), (10, 1870038), (12, 1558365), (15, 1246692), (18, 1038910), (20, 935019), (23, 813060), (30, 623346), (36, 519455), (45, 415564), (46, 406530), (60, 311673), (69, 271020), (90, 207782), (92, 203265), (115, 162612), (138, 135510), (180, 103891), (207, 90340), (230, 81306), (276, 67755), (345, 54204), (414, 45170), (460, 40653), (690, 27102), (828, 22585), (1035, 18068), (1380, 13551), (2070, 9034), (4140, 4517)]