18442280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{733}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 45185040

約数和(自身を除く): 26742760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 733, 740, 1258, 1466, 1480, 2516, 2932, 3145, 3665, 5032, 5864, 6290, 7330, 12461, 12580, 14660, 24922, 25160, 27121, 29320, 49844, 54242, 62305, 99688, 108484, 124610, 135605, 216968, 249220, 271210, 461057, 498440, 542420, 922114, 1084840, 1844228, 2305285, 3688456, 4610570, 9221140, 18442280]

約数ペア:

[(1, 18442280), (2, 9221140), (4, 4610570), (5, 3688456), (8, 2305285), (10, 1844228), (17, 1084840), (20, 922114), (34, 542420), (37, 498440), (40, 461057), (68, 271210), (74, 249220), (85, 216968), (136, 135605), (148, 124610), (170, 108484), (185, 99688), (296, 62305), (340, 54242), (370, 49844), (629, 29320), (680, 27121), (733, 25160), (740, 24922), (1258, 14660), (1466, 12580), (1480, 12461), (2516, 7330), (2932, 6290), (3145, 5864), (3665, 5032)]