18181860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 55036800

約数和(自身を除く): 36854940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 41, 57, 60, 76, 82, 95, 114, 123, 164, 190, 205, 228, 246, 285, 380, 389, 410, 492, 570, 615, 778, 779, 820, 1140, 1167, 1230, 1556, 1558, 1945, 2334, 2337, 2460, 3116, 3890, 3895, 4668, 4674, 5835, 7391, 7780, 7790, 9348, 11670, 11685, 14782, 15580, 15949, 22173, 23340, 23370, 29564, 31898, 36955, 44346, 46740, 47847, 63796, 73910, 79745, 88692, 95694, 110865, 147820, 159490, 191388, 221730, 239235, 303031, 318980, 443460, 478470, 606062, 909093, 956940, 1212124, 1515155, 1818186, 3030310, 3636372, 4545465, 6060620, 9090930, 18181860]

約数ペア:

[(1, 18181860), (2, 9090930), (3, 6060620), (4, 4545465), (5, 3636372), (6, 3030310), (10, 1818186), (12, 1515155), (15, 1212124), (19, 956940), (20, 909093), (30, 606062), (38, 478470), (41, 443460), (57, 318980), (60, 303031), (76, 239235), (82, 221730), (95, 191388), (114, 159490), (123, 147820), (164, 110865), (190, 95694), (205, 88692), (228, 79745), (246, 73910), (285, 63796), (380, 47847), (389, 46740), (410, 44346), (492, 36955), (570, 31898), (615, 29564), (778, 23370), (779, 23340), (820, 22173), (1140, 15949), (1167, 15580), (1230, 14782), (1556, 11685), (1558, 11670), (1945, 9348), (2334, 7790), (2337, 7780), (2460, 7391), (3116, 5835), (3890, 4674), (3895, 4668)]