19987344

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3559}}^1$

素因数の和:3589

約数の個数: 80

約数和(自身を含む): 61801600

約数和(自身を除く): 41814256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 3559, 5616, 7118, 10677, 14236, 21354, 28472, 32031, 42708, 46267, 56944, 64062, 85416, 92534, 96093, 128124, 138801, 170832, 185068, 192186, 256248, 277602, 370136, 384372, 416403, 512496, 555204, 740272, 768744, 832806, 1110408, 1249209, 1537488, 1665612, 2220816, 2498418, 3331224, 4996836, 6662448, 9993672, 19987344]

約数ペア:

[(1, 19987344), (2, 9993672), (3, 6662448), (4, 4996836), (6, 3331224), (8, 2498418), (9, 2220816), (12, 1665612), (13, 1537488), (16, 1249209), (18, 1110408), (24, 832806), (26, 768744), (27, 740272), (36, 555204), (39, 512496), (48, 416403), (52, 384372), (54, 370136), (72, 277602), (78, 256248), (104, 192186), (108, 185068), (117, 170832), (144, 138801), (156, 128124), (208, 96093), (216, 92534), (234, 85416), (312, 64062), (351, 56944), (432, 46267), (468, 42708), (624, 32031), (702, 28472), (936, 21354), (1404, 14236), (1872, 10677), (2808, 7118), (3559, 5616)]