18928225024

素因数分解:

$2^8\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{1637}}^1$

素因数の和:1762

約数の個数: 108

約数和(自身を含む): 39895625952

約数和(自身を除く): 20967400928

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 64, 94, 124, 128, 188, 248, 256, 376, 496, 752, 961, 992, 1457, 1504, 1637, 1922, 1984, 2914, 3008, 3274, 3844, 3968, 5828, 6016, 6548, 7688, 7936, 11656, 12032, 13096, 15376, 23312, 26192, 30752, 45167, 46624, 50747, 52384, 61504, 76939, 90334, 93248, 101494, 104768, 123008, 153878, 180668, 186496, 202988, 209536, 246016, 307756, 361336, 372992, 405976, 419072, 615512, 722672, 811952, 1231024, 1445344, 1573157, 1623904, 2385109, 2462048, 2890688, 3146314, 3247808, 4770218, 4924096, 5781376, 6292628, 6495616, 9540436, 9848192, 11562752, 12585256, 12991232, 19080872, 19696384, 25170512, 38161744, 50341024, 73938379, 76323488, 100682048, 147876758, 152646976, 201364096, 295753516, 305293952, 402728192, 591507032, 610587904, 1183014064, 2366028128, 4732056256, 9464112512, 18928225024]

約数ペア:

[(1, 18928225024), (2, 9464112512), (4, 4732056256), (8, 2366028128), (16, 1183014064), (31, 610587904), (32, 591507032), (47, 402728192), (62, 305293952), (64, 295753516), (94, 201364096), (124, 152646976), (128, 147876758), (188, 100682048), (248, 76323488), (256, 73938379), (376, 50341024), (496, 38161744), (752, 25170512), (961, 19696384), (992, 19080872), (1457, 12991232), (1504, 12585256), (1637, 11562752), (1922, 9848192), (1984, 9540436), (2914, 6495616), (3008, 6292628), (3274, 5781376), (3844, 4924096), (3968, 4770218), (5828, 3247808), (6016, 3146314), (6548, 2890688), (7688, 2462048), (7936, 2385109), (11656, 1623904), (12032, 1573157), (13096, 1445344), (15376, 1231024), (23312, 811952), (26192, 722672), (30752, 615512), (45167, 419072), (46624, 405976), (50747, 372992), (52384, 361336), (61504, 307756), (76939, 246016), (90334, 209536), (93248, 202988), (101494, 186496), (104768, 180668), (123008, 153878)]