9845420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2034

約数の個数: 48

約数和(自身を含む): 23449440

約数和(自身を除く): 13604020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1993, 2470, 3986, 4940, 7972, 9965, 19930, 25909, 37867, 39860, 51818, 75734, 103636, 129545, 151468, 189335, 259090, 378670, 492271, 518180, 757340, 984542, 1969084, 2461355, 4922710, 9845420]

約数ペア:

[(1, 9845420), (2, 4922710), (4, 2461355), (5, 1969084), (10, 984542), (13, 757340), (19, 518180), (20, 492271), (26, 378670), (38, 259090), (52, 189335), (65, 151468), (76, 129545), (95, 103636), (130, 75734), (190, 51818), (247, 39860), (260, 37867), (380, 25909), (494, 19930), (988, 9965), (1235, 7972), (1993, 4940), (2470, 3986)]