19372899

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2447}}^1$

素因数の和:2499

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 13528221

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2447, 2639, 7341, 7917, 17129, 31811, 51387, 70963, 95433, 212889, 222677, 496741, 668031, 922519, 1490223, 2767557, 6457633, 19372899]

約数ペア:

[(1, 19372899), (3, 6457633), (7, 2767557), (13, 1490223), (21, 922519), (29, 668031), (39, 496741), (87, 222677), (91, 212889), (203, 95433), (273, 70963), (377, 51387), (609, 31811), (1131, 17129), (2447, 7917), (2639, 7341)]