18868725432

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^2\times {\mathrm{15271}}^1$

素因数の和:15545

約数の個数: 72

約数和(自身を含む): 51499245720

約数和(自身を除く): 32630520288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 4716, 9432, 15271, 17161, 30542, 34322, 45813, 51483, 61084, 68644, 91626, 102966, 122168, 137288, 137439, 154449, 183252, 205932, 274878, 308898, 366504, 411864, 549756, 617796, 1099512, 1235592, 2000501, 4001002, 6001503, 8002004, 12003006, 16004008, 18004509, 24006012, 36009018, 48012024, 72018036, 144036072, 262065631, 524131262, 786196893, 1048262524, 1572393786, 2096525048, 2358590679, 3144787572, 4717181358, 6289575144, 9434362716, 18868725432]

約数ペア:

[(1, 18868725432), (2, 9434362716), (3, 6289575144), (4, 4717181358), (6, 3144787572), (8, 2358590679), (9, 2096525048), (12, 1572393786), (18, 1048262524), (24, 786196893), (36, 524131262), (72, 262065631), (131, 144036072), (262, 72018036), (393, 48012024), (524, 36009018), (786, 24006012), (1048, 18004509), (1179, 16004008), (1572, 12003006), (2358, 8002004), (3144, 6001503), (4716, 4001002), (9432, 2000501), (15271, 1235592), (17161, 1099512), (30542, 617796), (34322, 549756), (45813, 411864), (51483, 366504), (61084, 308898), (68644, 274878), (91626, 205932), (102966, 183252), (122168, 154449), (137288, 137439)]