17954620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1277}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 40793760

約数和(自身を除く): 22839140

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1277, 1406, 2554, 2812, 3515, 5108, 6385, 7030, 12770, 14060, 24263, 25540, 47249, 48526, 94498, 97052, 121315, 188996, 236245, 242630, 472490, 485260, 897731, 944980, 1795462, 3590924, 4488655, 8977310, 17954620]

約数ペア:

[(1, 17954620), (2, 8977310), (4, 4488655), (5, 3590924), (10, 1795462), (19, 944980), (20, 897731), (37, 485260), (38, 472490), (74, 242630), (76, 236245), (95, 188996), (148, 121315), (185, 97052), (190, 94498), (370, 48526), (380, 47249), (703, 25540), (740, 24263), (1277, 14060), (1406, 12770), (2554, 7030), (2812, 6385), (3515, 5108)]