18653472

素因数分解:

$2^5\times 3^2\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:526

約数の個数: 72

約数和(自身を含む): 53464320

約数和(自身を除く): 34810848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 239, 271, 288, 478, 542, 717, 813, 956, 1084, 1434, 1626, 1912, 2151, 2168, 2439, 2868, 3252, 3824, 4302, 4336, 4878, 5736, 6504, 7648, 8604, 8672, 9756, 11472, 13008, 17208, 19512, 22944, 26016, 34416, 39024, 64769, 68832, 78048, 129538, 194307, 259076, 388614, 518152, 582921, 777228, 1036304, 1165842, 1554456, 2072608, 2331684, 3108912, 4663368, 6217824, 9326736, 18653472]

約数ペア:

[(1, 18653472), (2, 9326736), (3, 6217824), (4, 4663368), (6, 3108912), (8, 2331684), (9, 2072608), (12, 1554456), (16, 1165842), (18, 1036304), (24, 777228), (32, 582921), (36, 518152), (48, 388614), (72, 259076), (96, 194307), (144, 129538), (239, 78048), (271, 68832), (288, 64769), (478, 39024), (542, 34416), (717, 26016), (813, 22944), (956, 19512), (1084, 17208), (1434, 13008), (1626, 11472), (1912, 9756), (2151, 8672), (2168, 8604), (2439, 7648), (2868, 6504), (3252, 5736), (3824, 4878), (4302, 4336)]