18809520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{433}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 58767072

約数和(自身を除く): 39957552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 181, 240, 362, 433, 543, 724, 866, 905, 1086, 1299, 1448, 1732, 1810, 2165, 2172, 2598, 2715, 2896, 3464, 3620, 4330, 4344, 5196, 5430, 6495, 6928, 7240, 8660, 8688, 10392, 10860, 12990, 14480, 17320, 20784, 21720, 25980, 34640, 43440, 51960, 78373, 103920, 156746, 235119, 313492, 391865, 470238, 626984, 783730, 940476, 1175595, 1253968, 1567460, 1880952, 2351190, 3134920, 3761904, 4702380, 6269840, 9404760, 18809520]

約数ペア:

[(1, 18809520), (2, 9404760), (3, 6269840), (4, 4702380), (5, 3761904), (6, 3134920), (8, 2351190), (10, 1880952), (12, 1567460), (15, 1253968), (16, 1175595), (20, 940476), (24, 783730), (30, 626984), (40, 470238), (48, 391865), (60, 313492), (80, 235119), (120, 156746), (181, 103920), (240, 78373), (362, 51960), (433, 43440), (543, 34640), (724, 25980), (866, 21720), (905, 20784), (1086, 17320), (1299, 14480), (1448, 12990), (1732, 10860), (1810, 10392), (2165, 8688), (2172, 8660), (2598, 7240), (2715, 6928), (2896, 6495), (3464, 5430), (3620, 5196), (4330, 4344)]