19473100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 45847760

約数和(自身を除く): 26374660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 277, 370, 380, 475, 554, 703, 740, 925, 950, 1108, 1385, 1406, 1850, 1900, 2770, 2812, 3515, 3700, 5263, 5540, 6925, 7030, 10249, 10526, 13850, 14060, 17575, 20498, 21052, 26315, 27700, 35150, 40996, 51245, 52630, 70300, 102490, 105260, 131575, 194731, 204980, 256225, 263150, 389462, 512450, 526300, 778924, 973655, 1024900, 1947310, 3894620, 4868275, 9736550, 19473100]

約数ペア:

[(1, 19473100), (2, 9736550), (4, 4868275), (5, 3894620), (10, 1947310), (19, 1024900), (20, 973655), (25, 778924), (37, 526300), (38, 512450), (50, 389462), (74, 263150), (76, 256225), (95, 204980), (100, 194731), (148, 131575), (185, 105260), (190, 102490), (277, 70300), (370, 52630), (380, 51245), (475, 40996), (554, 35150), (703, 27700), (740, 26315), (925, 21052), (950, 20498), (1108, 17575), (1385, 14060), (1406, 13850), (1850, 10526), (1900, 10249), (2770, 7030), (2812, 6925), (3515, 5540), (3700, 5263)]