19758186

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{821}}^1$

素因数の和:1027

約数の個数: 48

約数和(自身を含む): 49241088

約数和(自身を除く): 29482902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 191, 382, 573, 821, 1146, 1337, 1642, 1719, 2463, 2674, 3438, 4011, 4926, 5747, 7389, 8022, 11494, 12033, 14778, 17241, 24066, 34482, 51723, 103446, 156811, 313622, 470433, 940866, 1097677, 1411299, 2195354, 2822598, 3293031, 6586062, 9879093, 19758186]

約数ペア:

[(1, 19758186), (2, 9879093), (3, 6586062), (6, 3293031), (7, 2822598), (9, 2195354), (14, 1411299), (18, 1097677), (21, 940866), (42, 470433), (63, 313622), (126, 156811), (191, 103446), (382, 51723), (573, 34482), (821, 24066), (1146, 17241), (1337, 14778), (1642, 12033), (1719, 11494), (2463, 8022), (2674, 7389), (3438, 5747), (4011, 4926)]