19381920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:438

約数の個数: 96

約数和(自身を含む): 61689600

約数和(自身を除く): 42307680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 149, 160, 240, 271, 298, 447, 480, 542, 596, 745, 813, 894, 1084, 1192, 1355, 1490, 1626, 1788, 2168, 2235, 2384, 2710, 2980, 3252, 3576, 4065, 4336, 4470, 4768, 5420, 5960, 6504, 7152, 8130, 8672, 8940, 10840, 11920, 13008, 14304, 16260, 17880, 21680, 23840, 26016, 32520, 35760, 40379, 43360, 65040, 71520, 80758, 121137, 130080, 161516, 201895, 242274, 323032, 403790, 484548, 605685, 646064, 807580, 969096, 1211370, 1292128, 1615160, 1938192, 2422740, 3230320, 3876384, 4845480, 6460640, 9690960, 19381920]

約数ペア:

[(1, 19381920), (2, 9690960), (3, 6460640), (4, 4845480), (5, 3876384), (6, 3230320), (8, 2422740), (10, 1938192), (12, 1615160), (15, 1292128), (16, 1211370), (20, 969096), (24, 807580), (30, 646064), (32, 605685), (40, 484548), (48, 403790), (60, 323032), (80, 242274), (96, 201895), (120, 161516), (149, 130080), (160, 121137), (240, 80758), (271, 71520), (298, 65040), (447, 43360), (480, 40379), (542, 35760), (596, 32520), (745, 26016), (813, 23840), (894, 21680), (1084, 17880), (1192, 16260), (1355, 14304), (1490, 13008), (1626, 11920), (1788, 10840), (2168, 8940), (2235, 8672), (2384, 8130), (2710, 7152), (2980, 6504), (3252, 5960), (3576, 5420), (4065, 4768), (4336, 4470)]