19297516

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 41513472

約数和(自身を除く): 22215956

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 71, 119, 142, 238, 284, 476, 497, 571, 994, 1142, 1207, 1988, 2284, 2414, 3997, 4828, 7994, 8449, 9707, 15988, 16898, 19414, 33796, 38828, 40541, 67949, 81082, 135898, 162164, 271796, 283787, 567574, 689197, 1135148, 1378394, 2756788, 4824379, 9648758, 19297516]

約数ペア:

[(1, 19297516), (2, 9648758), (4, 4824379), (7, 2756788), (14, 1378394), (17, 1135148), (28, 689197), (34, 567574), (68, 283787), (71, 271796), (119, 162164), (142, 135898), (238, 81082), (284, 67949), (476, 40541), (497, 38828), (571, 33796), (994, 19414), (1142, 16898), (1207, 15988), (1988, 9707), (2284, 8449), (2414, 7994), (3997, 4828)]