18326310920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{777857}}^1$

素因数の和:777918

約数の個数: 64

約数和(自身を含む): 44804620800

約数和(自身を除く): 26478309880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 11780, 23560, 777857, 1555714, 3111428, 3889285, 6222856, 7778570, 14779283, 15557140, 24113567, 29558566, 31114280, 48227134, 59117132, 73896415, 96454268, 118234264, 120567835, 147792830, 192908536, 241135670, 295585660, 458157773, 482271340, 591171320, 916315546, 964542680, 1832631092, 2290788865, 3665262184, 4581577730, 9163155460, 18326310920]

約数ペア:

[(1, 18326310920), (2, 9163155460), (4, 4581577730), (5, 3665262184), (8, 2290788865), (10, 1832631092), (19, 964542680), (20, 916315546), (31, 591171320), (38, 482271340), (40, 458157773), (62, 295585660), (76, 241135670), (95, 192908536), (124, 147792830), (152, 120567835), (155, 118234264), (190, 96454268), (248, 73896415), (310, 59117132), (380, 48227134), (589, 31114280), (620, 29558566), (760, 24113567), (1178, 15557140), (1240, 14779283), (2356, 7778570), (2945, 6222856), (4712, 3889285), (5890, 3111428), (11780, 1555714), (23560, 777857)]