18041660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:483

約数の個数: 96

約数和(自身を含む): 48771072

約数和(自身を除く): 30729412

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 230, 260, 299, 322, 364, 431, 455, 460, 598, 644, 805, 862, 910, 1196, 1495, 1610, 1724, 1820, 2093, 2155, 2990, 3017, 3220, 4186, 4310, 5603, 5980, 6034, 8372, 8620, 9913, 10465, 11206, 12068, 15085, 19826, 20930, 22412, 28015, 30170, 39221, 39652, 41860, 49565, 56030, 60340, 69391, 78442, 99130, 112060, 128869, 138782, 156884, 196105, 198260, 257738, 277564, 346955, 392210, 515476, 644345, 693910, 784420, 902083, 1288690, 1387820, 1804166, 2577380, 3608332, 4510415, 9020830, 18041660]

約数ペア:

[(1, 18041660), (2, 9020830), (4, 4510415), (5, 3608332), (7, 2577380), (10, 1804166), (13, 1387820), (14, 1288690), (20, 902083), (23, 784420), (26, 693910), (28, 644345), (35, 515476), (46, 392210), (52, 346955), (65, 277564), (70, 257738), (91, 198260), (92, 196105), (115, 156884), (130, 138782), (140, 128869), (161, 112060), (182, 99130), (230, 78442), (260, 69391), (299, 60340), (322, 56030), (364, 49565), (431, 41860), (455, 39652), (460, 39221), (598, 30170), (644, 28015), (805, 22412), (862, 20930), (910, 19826), (1196, 15085), (1495, 12068), (1610, 11206), (1724, 10465), (1820, 9913), (2093, 8620), (2155, 8372), (2990, 6034), (3017, 5980), (3220, 5603), (4186, 4310)]