19977330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21481}}^1$

素因数の和:21522

約数の個数: 32

約数和(自身を含む): 49494528

約数和(自身を除く): 29517198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 21481, 42962, 64443, 107405, 128886, 214810, 322215, 644430, 665911, 1331822, 1997733, 3329555, 3995466, 6659110, 9988665, 19977330]

約数ペア:

[(1, 19977330), (2, 9988665), (3, 6659110), (5, 3995466), (6, 3329555), (10, 1997733), (15, 1331822), (30, 665911), (31, 644430), (62, 322215), (93, 214810), (155, 128886), (186, 107405), (310, 64443), (465, 42962), (930, 21481)]