18487568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 42747264

約数和(自身を除く): 24259696

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 37, 44, 68, 74, 88, 136, 148, 167, 176, 187, 272, 296, 334, 374, 407, 592, 629, 668, 748, 814, 1258, 1336, 1496, 1628, 1837, 2516, 2672, 2839, 2992, 3256, 3674, 5032, 5678, 6179, 6512, 6919, 7348, 10064, 11356, 12358, 13838, 14696, 22712, 24716, 27676, 29392, 31229, 45424, 49432, 55352, 62458, 67969, 98864, 105043, 110704, 124916, 135938, 210086, 249832, 271876, 420172, 499664, 543752, 840344, 1087504, 1155473, 1680688, 2310946, 4621892, 9243784, 18487568]

約数ペア:

[(1, 18487568), (2, 9243784), (4, 4621892), (8, 2310946), (11, 1680688), (16, 1155473), (17, 1087504), (22, 840344), (34, 543752), (37, 499664), (44, 420172), (68, 271876), (74, 249832), (88, 210086), (136, 135938), (148, 124916), (167, 110704), (176, 105043), (187, 98864), (272, 67969), (296, 62458), (334, 55352), (374, 49432), (407, 45424), (592, 31229), (629, 29392), (668, 27676), (748, 24716), (814, 22712), (1258, 14696), (1336, 13838), (1496, 12358), (1628, 11356), (1837, 10064), (2516, 7348), (2672, 6919), (2839, 6512), (2992, 6179), (3256, 5678), (3674, 5032)]