19315660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10613}}^1$

素因数の和:10642

約数の個数: 48

約数和(自身を含む): 49928256

約数和(自身を除く): 30612596

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10613, 21226, 42452, 53065, 74291, 106130, 137969, 148582, 212260, 275938, 297164, 371455, 551876, 689845, 742910, 965783, 1379690, 1485820, 1931566, 2759380, 3863132, 4828915, 9657830, 19315660]

約数ペア:

[(1, 19315660), (2, 9657830), (4, 4828915), (5, 3863132), (7, 2759380), (10, 1931566), (13, 1485820), (14, 1379690), (20, 965783), (26, 742910), (28, 689845), (35, 551876), (52, 371455), (65, 297164), (70, 275938), (91, 212260), (130, 148582), (140, 137969), (182, 106130), (260, 74291), (364, 53065), (455, 42452), (910, 21226), (1820, 10613)]