18442580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{797}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 42230160

約数和(自身を除く): 23787580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 797, 890, 1157, 1594, 1780, 2314, 3188, 3985, 4628, 5785, 7970, 10361, 11570, 15940, 20722, 23140, 41444, 51805, 70933, 103610, 141866, 207220, 283732, 354665, 709330, 922129, 1418660, 1844258, 3688516, 4610645, 9221290, 18442580]

約数ペア:

[(1, 18442580), (2, 9221290), (4, 4610645), (5, 3688516), (10, 1844258), (13, 1418660), (20, 922129), (26, 709330), (52, 354665), (65, 283732), (89, 207220), (130, 141866), (178, 103610), (260, 70933), (356, 51805), (445, 41444), (797, 23140), (890, 20722), (1157, 15940), (1594, 11570), (1780, 10361), (2314, 7970), (3188, 5785), (3985, 4628)]