19792227

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10357}}^1$

素因数の和:10387

約数の個数: 24

約数和(自身を含む): 33062736

約数和(自身を除く): 13270509

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10357, 31071, 72499, 134641, 217497, 403923, 507493, 942487, 1522479, 2827461, 6597409, 19792227]

約数ペア:

[(1, 19792227), (3, 6597409), (7, 2827461), (13, 1522479), (21, 942487), (39, 507493), (49, 403923), (91, 217497), (147, 134641), (273, 72499), (637, 31071), (1911, 10357)]