18310300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 43747200

約数和(自身を除く): 25436900

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 380, 419, 437, 460, 475, 575, 838, 874, 950, 1150, 1676, 1748, 1900, 2095, 2185, 2300, 4190, 4370, 7961, 8380, 8740, 9637, 10475, 10925, 15922, 19274, 20950, 21850, 31844, 38548, 39805, 41900, 43700, 48185, 79610, 96370, 159220, 183103, 192740, 199025, 240925, 366206, 398050, 481850, 732412, 796100, 915515, 963700, 1831030, 3662060, 4577575, 9155150, 18310300]

約数ペア:

[(1, 18310300), (2, 9155150), (4, 4577575), (5, 3662060), (10, 1831030), (19, 963700), (20, 915515), (23, 796100), (25, 732412), (38, 481850), (46, 398050), (50, 366206), (76, 240925), (92, 199025), (95, 192740), (100, 183103), (115, 159220), (190, 96370), (230, 79610), (380, 48185), (419, 43700), (437, 41900), (460, 39805), (475, 38548), (575, 31844), (838, 21850), (874, 20950), (950, 19274), (1150, 15922), (1676, 10925), (1748, 10475), (1900, 9637), (2095, 8740), (2185, 8380), (2300, 7961), (4190, 4370)]