18405198

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 51148800

約数和(自身を除く): 32743602

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 29, 42, 46, 54, 58, 63, 69, 73, 87, 126, 138, 146, 161, 174, 189, 203, 207, 219, 261, 322, 378, 406, 414, 438, 483, 511, 522, 609, 621, 657, 667, 783, 966, 1022, 1218, 1242, 1314, 1334, 1449, 1533, 1566, 1679, 1827, 1971, 2001, 2117, 2898, 3066, 3358, 3654, 3942, 4002, 4234, 4347, 4599, 4669, 5037, 5481, 6003, 6351, 8694, 9198, 9338, 10074, 10962, 11753, 12006, 12702, 13797, 14007, 14819, 15111, 18009, 19053, 23506, 27594, 28014, 29638, 30222, 35259, 36018, 38106, 42021, 44457, 45333, 48691, 57159, 70518, 84042, 88914, 90666, 97382, 105777, 114318, 126063, 133371, 146073, 211554, 252126, 266742, 292146, 317331, 340837, 400113, 438219, 634662, 681674, 800226, 876438, 1022511, 1314657, 2045022, 2629314, 3067533, 6135066, 9202599, 18405198]

約数ペア:

[(1, 18405198), (2, 9202599), (3, 6135066), (6, 3067533), (7, 2629314), (9, 2045022), (14, 1314657), (18, 1022511), (21, 876438), (23, 800226), (27, 681674), (29, 634662), (42, 438219), (46, 400113), (54, 340837), (58, 317331), (63, 292146), (69, 266742), (73, 252126), (87, 211554), (126, 146073), (138, 133371), (146, 126063), (161, 114318), (174, 105777), (189, 97382), (203, 90666), (207, 88914), (219, 84042), (261, 70518), (322, 57159), (378, 48691), (406, 45333), (414, 44457), (438, 42021), (483, 38106), (511, 36018), (522, 35259), (609, 30222), (621, 29638), (657, 28014), (667, 27594), (783, 23506), (966, 19053), (1022, 18009), (1218, 15111), (1242, 14819), (1314, 14007), (1334, 13797), (1449, 12702), (1533, 12006), (1566, 11753), (1679, 10962), (1827, 10074), (1971, 9338), (2001, 9198), (2117, 8694), (2898, 6351), (3066, 6003), (3358, 5481), (3654, 5037), (3942, 4669), (4002, 4599), (4234, 4347)]