18796428

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 59458560

約数和(自身を除く): 40662132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 47, 54, 63, 69, 84, 92, 94, 108, 126, 138, 141, 161, 188, 189, 207, 252, 276, 282, 322, 329, 378, 414, 423, 483, 529, 564, 621, 644, 658, 756, 828, 846, 966, 987, 1058, 1081, 1242, 1269, 1316, 1449, 1587, 1692, 1932, 1974, 2116, 2162, 2484, 2538, 2898, 2961, 3174, 3243, 3703, 3948, 4324, 4347, 4761, 5076, 5796, 5922, 6348, 6486, 7406, 7567, 8694, 8883, 9522, 9729, 11109, 11844, 12972, 14283, 14812, 15134, 17388, 17766, 19044, 19458, 22218, 22701, 24863, 28566, 29187, 30268, 33327, 35532, 38916, 44436, 45402, 49726, 57132, 58374, 66654, 68103, 74589, 90804, 99452, 99981, 116748, 133308, 136206, 149178, 174041, 199962, 204309, 223767, 272412, 298356, 348082, 399924, 408618, 447534, 522123, 671301, 696164, 817236, 895068, 1044246, 1342602, 1566369, 2088492, 2685204, 3132738, 4699107, 6265476, 9398214, 18796428]

約数ペア:

[(1, 18796428), (2, 9398214), (3, 6265476), (4, 4699107), (6, 3132738), (7, 2685204), (9, 2088492), (12, 1566369), (14, 1342602), (18, 1044246), (21, 895068), (23, 817236), (27, 696164), (28, 671301), (36, 522123), (42, 447534), (46, 408618), (47, 399924), (54, 348082), (63, 298356), (69, 272412), (84, 223767), (92, 204309), (94, 199962), (108, 174041), (126, 149178), (138, 136206), (141, 133308), (161, 116748), (188, 99981), (189, 99452), (207, 90804), (252, 74589), (276, 68103), (282, 66654), (322, 58374), (329, 57132), (378, 49726), (414, 45402), (423, 44436), (483, 38916), (529, 35532), (564, 33327), (621, 30268), (644, 29187), (658, 28566), (756, 24863), (828, 22701), (846, 22218), (966, 19458), (987, 19044), (1058, 17766), (1081, 17388), (1242, 15134), (1269, 14812), (1316, 14283), (1449, 12972), (1587, 11844), (1692, 11109), (1932, 9729), (1974, 9522), (2116, 8883), (2162, 8694), (2484, 7567), (2538, 7406), (2898, 6486), (2961, 6348), (3174, 5922), (3243, 5796), (3703, 5076), (3948, 4761), (4324, 4347)]