18774888

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 54315360

約数和(自身を除く): 35540472

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 66, 76, 88, 114, 132, 152, 197, 209, 228, 264, 361, 394, 418, 456, 591, 627, 722, 788, 836, 1083, 1182, 1254, 1444, 1576, 1672, 2166, 2167, 2364, 2508, 2888, 3743, 3971, 4332, 4334, 4728, 5016, 6501, 7486, 7942, 8664, 8668, 11229, 11913, 13002, 14972, 15884, 17336, 22458, 23826, 26004, 29944, 31768, 41173, 44916, 47652, 52008, 71117, 82346, 89832, 95304, 123519, 142234, 164692, 213351, 247038, 284468, 329384, 426702, 494076, 568936, 782287, 853404, 988152, 1564574, 1706808, 2346861, 3129148, 4693722, 6258296, 9387444, 18774888]

約数ペア:

[(1, 18774888), (2, 9387444), (3, 6258296), (4, 4693722), (6, 3129148), (8, 2346861), (11, 1706808), (12, 1564574), (19, 988152), (22, 853404), (24, 782287), (33, 568936), (38, 494076), (44, 426702), (57, 329384), (66, 284468), (76, 247038), (88, 213351), (114, 164692), (132, 142234), (152, 123519), (197, 95304), (209, 89832), (228, 82346), (264, 71117), (361, 52008), (394, 47652), (418, 44916), (456, 41173), (591, 31768), (627, 29944), (722, 26004), (788, 23826), (836, 22458), (1083, 17336), (1182, 15884), (1254, 14972), (1444, 13002), (1576, 11913), (1672, 11229), (2166, 8668), (2167, 8664), (2364, 7942), (2508, 7486), (2888, 6501), (3743, 5016), (3971, 4728), (4332, 4334)]