1999193812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{381817}}^1$

素因数の和:381856

約数の個数: 48

約数和(自身を含む): 4618470528

約数和(自身を除く): 2619276716

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 5236, 381817, 763634, 1527268, 2672719, 4199987, 5345438, 6490889, 8399974, 10690876, 12981778, 16799948, 25963556, 29399909, 45436223, 58799818, 71399779, 90872446, 117599636, 142799558, 181744892, 285599116, 499798453, 999596906, 1999193812]

約数ペア:

[(1, 1999193812), (2, 999596906), (4, 499798453), (7, 285599116), (11, 181744892), (14, 142799558), (17, 117599636), (22, 90872446), (28, 71399779), (34, 58799818), (44, 45436223), (68, 29399909), (77, 25963556), (119, 16799948), (154, 12981778), (187, 10690876), (238, 8399974), (308, 6490889), (374, 5345438), (476, 4199987), (748, 2672719), (1309, 1527268), (2618, 763634), (5236, 381817)]