18310920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{461}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 55218240

約数和(自身を除く): 36907320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 461, 662, 922, 993, 1324, 1383, 1655, 1844, 1986, 2305, 2648, 2766, 3310, 3688, 3972, 4610, 4965, 5532, 6620, 6915, 7944, 9220, 9930, 11064, 13240, 13830, 18440, 19860, 27660, 39720, 55320, 152591, 305182, 457773, 610364, 762955, 915546, 1220728, 1525910, 1831092, 2288865, 3051820, 3662184, 4577730, 6103640, 9155460, 18310920]

約数ペア:

[(1, 18310920), (2, 9155460), (3, 6103640), (4, 4577730), (5, 3662184), (6, 3051820), (8, 2288865), (10, 1831092), (12, 1525910), (15, 1220728), (20, 915546), (24, 762955), (30, 610364), (40, 457773), (60, 305182), (120, 152591), (331, 55320), (461, 39720), (662, 27660), (922, 19860), (993, 18440), (1324, 13830), (1383, 13240), (1655, 11064), (1844, 9930), (1986, 9220), (2305, 7944), (2648, 6915), (2766, 6620), (3310, 5532), (3688, 4965), (3972, 4610)]