19309528

素因数分解:

$2^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 43776000

約数和(自身を除く): 24466472

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 227, 248, 343, 392, 434, 454, 686, 868, 908, 1372, 1519, 1589, 1736, 1816, 2744, 3038, 3178, 6076, 6356, 7037, 10633, 11123, 12152, 12712, 14074, 21266, 22246, 28148, 42532, 44492, 49259, 56296, 77861, 85064, 88984, 98518, 155722, 197036, 311444, 344813, 394072, 622888, 689626, 1379252, 2413691, 2758504, 4827382, 9654764, 19309528]

約数ペア:

[(1, 19309528), (2, 9654764), (4, 4827382), (7, 2758504), (8, 2413691), (14, 1379252), (28, 689626), (31, 622888), (49, 394072), (56, 344813), (62, 311444), (98, 197036), (124, 155722), (196, 98518), (217, 88984), (227, 85064), (248, 77861), (343, 56296), (392, 49259), (434, 44492), (454, 42532), (686, 28148), (868, 22246), (908, 21266), (1372, 14074), (1519, 12712), (1589, 12152), (1736, 11123), (1816, 10633), (2744, 7037), (3038, 6356), (3178, 6076)]