18657304840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7121}}^1\times {\mathrm{3853}}^1$

素因数の和:11002

約数の個数: 64

約数和(自身を含む): 44466064560

約数和(自身を除く): 25808759720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 3853, 7121, 7706, 14242, 15412, 19265, 28484, 30824, 35605, 38530, 56968, 65501, 71210, 77060, 121057, 131002, 142420, 154120, 242114, 262004, 284840, 327505, 484228, 524008, 605285, 655010, 968456, 1210570, 1310020, 2421140, 2620040, 4842280, 27437213, 54874426, 109748852, 137186065, 219497704, 274372130, 466432621, 548744260, 932865242, 1097488520, 1865730484, 2332163105, 3731460968, 4664326210, 9328652420, 18657304840]

約数ペア:

[(1, 18657304840), (2, 9328652420), (4, 4664326210), (5, 3731460968), (8, 2332163105), (10, 1865730484), (17, 1097488520), (20, 932865242), (34, 548744260), (40, 466432621), (68, 274372130), (85, 219497704), (136, 137186065), (170, 109748852), (340, 54874426), (680, 27437213), (3853, 4842280), (7121, 2620040), (7706, 2421140), (14242, 1310020), (15412, 1210570), (19265, 968456), (28484, 655010), (30824, 605285), (35605, 524008), (38530, 484228), (56968, 327505), (65501, 284840), (71210, 262004), (77060, 242114), (121057, 154120), (131002, 142420)]