18385661984

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{823}}^1$

素因数の和:1222

約数の個数: 96

約数和(自身を含む): 38273679360

約数和(自身を除く): 19888017376

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 127, 184, 239, 254, 368, 478, 508, 736, 823, 956, 1016, 1646, 1912, 2032, 2921, 3292, 3824, 4064, 5497, 5842, 6584, 7648, 10994, 11684, 13168, 18929, 21988, 23368, 26336, 30353, 37858, 43976, 46736, 60706, 75716, 87952, 93472, 104521, 121412, 151432, 175904, 196697, 209042, 242824, 302864, 393394, 418084, 485648, 605728, 698119, 786788, 836168, 971296, 1396238, 1573576, 1672336, 2403983, 2792476, 3147152, 3344672, 4524031, 4807966, 5584952, 6294304, 9048062, 9615932, 11169904, 18096124, 19231864, 22339808, 24980519, 36192248, 38463728, 49961038, 72384496, 76927456, 99922076, 144768992, 199844152, 399688304, 574551937, 799376608, 1149103874, 2298207748, 4596415496, 9192830992, 18385661984]

約数ペア:

[(1, 18385661984), (2, 9192830992), (4, 4596415496), (8, 2298207748), (16, 1149103874), (23, 799376608), (32, 574551937), (46, 399688304), (92, 199844152), (127, 144768992), (184, 99922076), (239, 76927456), (254, 72384496), (368, 49961038), (478, 38463728), (508, 36192248), (736, 24980519), (823, 22339808), (956, 19231864), (1016, 18096124), (1646, 11169904), (1912, 9615932), (2032, 9048062), (2921, 6294304), (3292, 5584952), (3824, 4807966), (4064, 4524031), (5497, 3344672), (5842, 3147152), (6584, 2792476), (7648, 2403983), (10994, 1672336), (11684, 1573576), (13168, 1396238), (18929, 971296), (21988, 836168), (23368, 786788), (26336, 698119), (30353, 605728), (37858, 485648), (43976, 418084), (46736, 393394), (60706, 302864), (75716, 242824), (87952, 209042), (93472, 196697), (104521, 175904), (121412, 151432)]