18698988

素因数分解:

$2^2\times 3^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1$

素因数の和:105

約数の個数: 120

約数和(自身を含む): 56468160

約数和(自身を除く): 37769172

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 59, 66, 77, 84, 98, 118, 132, 147, 154, 177, 196, 231, 236, 294, 308, 343, 354, 413, 462, 539, 588, 649, 686, 708, 826, 924, 1029, 1078, 1239, 1298, 1372, 1617, 1652, 1947, 2058, 2156, 2401, 2478, 2596, 2891, 3234, 3773, 3894, 4116, 4543, 4802, 4956, 5782, 6468, 7203, 7546, 7788, 8673, 9086, 9604, 11319, 11564, 13629, 14406, 15092, 17346, 18172, 20237, 22638, 26411, 27258, 28812, 31801, 34692, 40474, 45276, 52822, 54516, 60711, 63602, 79233, 80948, 95403, 105644, 121422, 127204, 141659, 158466, 190806, 222607, 242844, 283318, 316932, 381612, 424977, 445214, 566636, 667821, 849954, 890428, 1335642, 1558249, 1699908, 2671284, 3116498, 4674747, 6232996, 9349494, 18698988]

約数ペア:

[(1, 18698988), (2, 9349494), (3, 6232996), (4, 4674747), (6, 3116498), (7, 2671284), (11, 1699908), (12, 1558249), (14, 1335642), (21, 890428), (22, 849954), (28, 667821), (33, 566636), (42, 445214), (44, 424977), (49, 381612), (59, 316932), (66, 283318), (77, 242844), (84, 222607), (98, 190806), (118, 158466), (132, 141659), (147, 127204), (154, 121422), (177, 105644), (196, 95403), (231, 80948), (236, 79233), (294, 63602), (308, 60711), (343, 54516), (354, 52822), (413, 45276), (462, 40474), (539, 34692), (588, 31801), (649, 28812), (686, 27258), (708, 26411), (826, 22638), (924, 20237), (1029, 18172), (1078, 17346), (1239, 15092), (1298, 14406), (1372, 13629), (1617, 11564), (1652, 11319), (1947, 9604), (2058, 9086), (2156, 8673), (2401, 7788), (2478, 7546), (2596, 7203), (2891, 6468), (3234, 5782), (3773, 4956), (3894, 4802), (4116, 4543)]