18136736

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 19602784

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 94, 124, 188, 248, 376, 389, 496, 752, 778, 992, 1457, 1504, 1556, 2914, 3112, 5828, 6224, 11656, 12059, 12448, 18283, 23312, 24118, 36566, 46624, 48236, 73132, 96472, 146264, 192944, 292528, 385888, 566773, 585056, 1133546, 2267092, 4534184, 9068368, 18136736]

約数ペア:

[(1, 18136736), (2, 9068368), (4, 4534184), (8, 2267092), (16, 1133546), (31, 585056), (32, 566773), (47, 385888), (62, 292528), (94, 192944), (124, 146264), (188, 96472), (248, 73132), (376, 48236), (389, 46624), (496, 36566), (752, 24118), (778, 23312), (992, 18283), (1457, 12448), (1504, 12059), (1556, 11656), (2914, 6224), (3112, 5828)]