19172260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 44561664

約数和(自身を除く): 25389404

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 107, 124, 155, 170, 214, 289, 310, 340, 428, 527, 535, 578, 620, 1054, 1070, 1156, 1445, 1819, 2108, 2140, 2635, 2890, 3317, 3638, 5270, 5780, 6634, 7276, 8959, 9095, 10540, 13268, 16585, 17918, 18190, 30923, 33170, 35836, 36380, 44795, 56389, 61846, 66340, 89590, 112778, 123692, 154615, 179180, 225556, 281945, 309230, 563890, 618460, 958613, 1127780, 1917226, 3834452, 4793065, 9586130, 19172260]

約数ペア:

[(1, 19172260), (2, 9586130), (4, 4793065), (5, 3834452), (10, 1917226), (17, 1127780), (20, 958613), (31, 618460), (34, 563890), (62, 309230), (68, 281945), (85, 225556), (107, 179180), (124, 154615), (155, 123692), (170, 112778), (214, 89590), (289, 66340), (310, 61846), (340, 56389), (428, 44795), (527, 36380), (535, 35836), (578, 33170), (620, 30923), (1054, 18190), (1070, 17918), (1156, 16585), (1445, 13268), (1819, 10540), (2108, 9095), (2140, 8959), (2635, 7276), (2890, 6634), (3317, 5780), (3638, 5270)]