19480370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21407}}^1$

素因数の和:21434

約数の個数: 32

約数和(自身を含む): 43158528

約数和(自身を除く): 23678158

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21407, 42814, 107035, 149849, 214070, 278291, 299698, 556582, 749245, 1391455, 1498490, 1948037, 2782910, 3896074, 9740185, 19480370]

約数ペア:

[(1, 19480370), (2, 9740185), (5, 3896074), (7, 2782910), (10, 1948037), (13, 1498490), (14, 1391455), (26, 749245), (35, 556582), (65, 299698), (70, 278291), (91, 214070), (130, 149849), (182, 107035), (455, 42814), (910, 21407)]