18526872

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:545

約数の個数: 128

約数和(自身を含む): 60480000

約数和(自身を除く): 41953128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 17, 21, 24, 26, 28, 34, 39, 42, 51, 52, 56, 68, 78, 84, 91, 102, 104, 119, 136, 156, 168, 182, 204, 221, 238, 273, 312, 357, 364, 408, 442, 476, 499, 546, 663, 714, 728, 884, 952, 998, 1092, 1326, 1428, 1497, 1547, 1768, 1996, 2184, 2652, 2856, 2994, 3094, 3493, 3992, 4641, 5304, 5988, 6188, 6487, 6986, 8483, 9282, 10479, 11976, 12376, 12974, 13972, 16966, 18564, 19461, 20958, 25449, 25948, 27944, 33932, 37128, 38922, 41916, 45409, 50898, 51896, 59381, 67864, 77844, 83832, 90818, 101796, 110279, 118762, 136227, 155688, 178143, 181636, 203592, 220558, 237524, 272454, 330837, 356286, 363272, 441116, 475048, 544908, 661674, 712572, 771953, 882232, 1089816, 1323348, 1425144, 1543906, 2315859, 2646696, 3087812, 4631718, 6175624, 9263436, 18526872]

約数ペア:

[(1, 18526872), (2, 9263436), (3, 6175624), (4, 4631718), (6, 3087812), (7, 2646696), (8, 2315859), (12, 1543906), (13, 1425144), (14, 1323348), (17, 1089816), (21, 882232), (24, 771953), (26, 712572), (28, 661674), (34, 544908), (39, 475048), (42, 441116), (51, 363272), (52, 356286), (56, 330837), (68, 272454), (78, 237524), (84, 220558), (91, 203592), (102, 181636), (104, 178143), (119, 155688), (136, 136227), (156, 118762), (168, 110279), (182, 101796), (204, 90818), (221, 83832), (238, 77844), (273, 67864), (312, 59381), (357, 51896), (364, 50898), (408, 45409), (442, 41916), (476, 38922), (499, 37128), (546, 33932), (663, 27944), (714, 25948), (728, 25449), (884, 20958), (952, 19461), (998, 18564), (1092, 16966), (1326, 13972), (1428, 12974), (1497, 12376), (1547, 11976), (1768, 10479), (1996, 9282), (2184, 8483), (2652, 6986), (2856, 6487), (2994, 6188), (3094, 5988), (3493, 5304), (3992, 4641)]