19969236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 58298240

約数和(自身を除く): 38329004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 109, 126, 218, 252, 327, 436, 654, 727, 763, 981, 1308, 1454, 1526, 1962, 2181, 2289, 2908, 3052, 3924, 4362, 4578, 5089, 6543, 6867, 8724, 9156, 10178, 13086, 13734, 15267, 20356, 26172, 27468, 30534, 45801, 61068, 79243, 91602, 158486, 183204, 237729, 316972, 475458, 554701, 713187, 950916, 1109402, 1426374, 1664103, 2218804, 2852748, 3328206, 4992309, 6656412, 9984618, 19969236]

約数ペア:

[(1, 19969236), (2, 9984618), (3, 6656412), (4, 4992309), (6, 3328206), (7, 2852748), (9, 2218804), (12, 1664103), (14, 1426374), (18, 1109402), (21, 950916), (28, 713187), (36, 554701), (42, 475458), (63, 316972), (84, 237729), (109, 183204), (126, 158486), (218, 91602), (252, 79243), (327, 61068), (436, 45801), (654, 30534), (727, 27468), (763, 26172), (981, 20356), (1308, 15267), (1454, 13734), (1526, 13086), (1962, 10178), (2181, 9156), (2289, 8724), (2908, 6867), (3052, 6543), (3924, 5089), (4362, 4578)]