19868550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 55496448

約数和(自身を除く): 35627898

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 25, 26, 30, 39, 46, 50, 65, 69, 75, 78, 115, 130, 138, 150, 195, 230, 299, 325, 345, 390, 443, 575, 598, 650, 690, 886, 897, 975, 1150, 1329, 1495, 1725, 1794, 1950, 2215, 2658, 2990, 3450, 4430, 4485, 5759, 6645, 7475, 8970, 10189, 11075, 11518, 13290, 14950, 17277, 20378, 22150, 22425, 28795, 30567, 33225, 34554, 44850, 50945, 57590, 61134, 66450, 86385, 101890, 132457, 143975, 152835, 172770, 254725, 264914, 287950, 305670, 397371, 431925, 509450, 662285, 764175, 794742, 863850, 1324570, 1528350, 1986855, 3311425, 3973710, 6622850, 9934275, 19868550]

約数ペア:

[(1, 19868550), (2, 9934275), (3, 6622850), (5, 3973710), (6, 3311425), (10, 1986855), (13, 1528350), (15, 1324570), (23, 863850), (25, 794742), (26, 764175), (30, 662285), (39, 509450), (46, 431925), (50, 397371), (65, 305670), (69, 287950), (75, 264914), (78, 254725), (115, 172770), (130, 152835), (138, 143975), (150, 132457), (195, 101890), (230, 86385), (299, 66450), (325, 61134), (345, 57590), (390, 50945), (443, 44850), (575, 34554), (598, 33225), (650, 30567), (690, 28795), (886, 22425), (897, 22150), (975, 20378), (1150, 17277), (1329, 14950), (1495, 13290), (1725, 11518), (1794, 11075), (1950, 10189), (2215, 8970), (2658, 7475), (2990, 6645), (3450, 5759), (4430, 4485)]