19450260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 61152000

約数和(自身を除く): 41701740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 181, 199, 270, 362, 398, 540, 543, 597, 724, 796, 905, 995, 1086, 1194, 1629, 1791, 1810, 1990, 2172, 2388, 2715, 2985, 3258, 3582, 3620, 3980, 4887, 5373, 5430, 5970, 6516, 7164, 8145, 8955, 9774, 10746, 10860, 11940, 16290, 17910, 19548, 21492, 24435, 26865, 32580, 35820, 36019, 48870, 53730, 72038, 97740, 107460, 108057, 144076, 180095, 216114, 324171, 360190, 432228, 540285, 648342, 720380, 972513, 1080570, 1296684, 1620855, 1945026, 2161140, 3241710, 3890052, 4862565, 6483420, 9725130, 19450260]

約数ペア:

[(1, 19450260), (2, 9725130), (3, 6483420), (4, 4862565), (5, 3890052), (6, 3241710), (9, 2161140), (10, 1945026), (12, 1620855), (15, 1296684), (18, 1080570), (20, 972513), (27, 720380), (30, 648342), (36, 540285), (45, 432228), (54, 360190), (60, 324171), (90, 216114), (108, 180095), (135, 144076), (180, 108057), (181, 107460), (199, 97740), (270, 72038), (362, 53730), (398, 48870), (540, 36019), (543, 35820), (597, 32580), (724, 26865), (796, 24435), (905, 21492), (995, 19548), (1086, 17910), (1194, 16290), (1629, 11940), (1791, 10860), (1810, 10746), (1990, 9774), (2172, 8955), (2388, 8145), (2715, 7164), (2985, 6516), (3258, 5970), (3582, 5430), (3620, 5373), (3980, 4887)]