19405736

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 43476480

約数和(自身を除く): 24070744

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 73, 94, 101, 146, 188, 202, 292, 329, 376, 404, 511, 584, 658, 707, 808, 1022, 1316, 1414, 2044, 2632, 2828, 3431, 4088, 4747, 5656, 6862, 7373, 9494, 13724, 14746, 18988, 24017, 27448, 29492, 33229, 37976, 48034, 51611, 58984, 66458, 96068, 103222, 132916, 192136, 206444, 265832, 346531, 412888, 693062, 1386124, 2425717, 2772248, 4851434, 9702868, 19405736]

約数ペア:

[(1, 19405736), (2, 9702868), (4, 4851434), (7, 2772248), (8, 2425717), (14, 1386124), (28, 693062), (47, 412888), (56, 346531), (73, 265832), (94, 206444), (101, 192136), (146, 132916), (188, 103222), (202, 96068), (292, 66458), (329, 58984), (376, 51611), (404, 48034), (511, 37976), (584, 33229), (658, 29492), (707, 27448), (808, 24017), (1022, 18988), (1316, 14746), (1414, 13724), (2044, 9494), (2632, 7373), (2828, 6862), (3431, 5656), (4088, 4747)]