18038240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 47918304

約数和(自身を除く): 29880064

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 74, 80, 88, 110, 148, 160, 176, 185, 220, 277, 296, 352, 370, 407, 440, 554, 592, 740, 814, 880, 1108, 1184, 1385, 1480, 1628, 1760, 2035, 2216, 2770, 2960, 3047, 3256, 4070, 4432, 5540, 5920, 6094, 6512, 8140, 8864, 10249, 11080, 12188, 13024, 15235, 16280, 20498, 22160, 24376, 30470, 32560, 40996, 44320, 48752, 51245, 60940, 65120, 81992, 97504, 102490, 112739, 121880, 163984, 204980, 225478, 243760, 327968, 409960, 450956, 487520, 563695, 819920, 901912, 1127390, 1639840, 1803824, 2254780, 3607648, 4509560, 9019120, 18038240]

約数ペア:

[(1, 18038240), (2, 9019120), (4, 4509560), (5, 3607648), (8, 2254780), (10, 1803824), (11, 1639840), (16, 1127390), (20, 901912), (22, 819920), (32, 563695), (37, 487520), (40, 450956), (44, 409960), (55, 327968), (74, 243760), (80, 225478), (88, 204980), (110, 163984), (148, 121880), (160, 112739), (176, 102490), (185, 97504), (220, 81992), (277, 65120), (296, 60940), (352, 51245), (370, 48752), (407, 44320), (440, 40996), (554, 32560), (592, 30470), (740, 24376), (814, 22160), (880, 20498), (1108, 16280), (1184, 15235), (1385, 13024), (1480, 12188), (1628, 11080), (1760, 10249), (2035, 8864), (2216, 8140), (2770, 6512), (2960, 6094), (3047, 5920), (3256, 5540), (4070, 4432)]