18699480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 61401600

約数和(自身を除く): 42702120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 127, 180, 254, 360, 381, 409, 508, 635, 762, 818, 1016, 1143, 1227, 1270, 1524, 1636, 1905, 2045, 2286, 2454, 2540, 3048, 3272, 3681, 3810, 4090, 4572, 4908, 5080, 5715, 6135, 7362, 7620, 8180, 9144, 9816, 11430, 12270, 14724, 15240, 16360, 18405, 22860, 24540, 29448, 36810, 45720, 49080, 51943, 73620, 103886, 147240, 155829, 207772, 259715, 311658, 415544, 467487, 519430, 623316, 779145, 934974, 1038860, 1246632, 1558290, 1869948, 2077720, 2337435, 3116580, 3739896, 4674870, 6233160, 9349740, 18699480]

約数ペア:

[(1, 18699480), (2, 9349740), (3, 6233160), (4, 4674870), (5, 3739896), (6, 3116580), (8, 2337435), (9, 2077720), (10, 1869948), (12, 1558290), (15, 1246632), (18, 1038860), (20, 934974), (24, 779145), (30, 623316), (36, 519430), (40, 467487), (45, 415544), (60, 311658), (72, 259715), (90, 207772), (120, 155829), (127, 147240), (180, 103886), (254, 73620), (360, 51943), (381, 49080), (409, 45720), (508, 36810), (635, 29448), (762, 24540), (818, 22860), (1016, 18405), (1143, 16360), (1227, 15240), (1270, 14724), (1524, 12270), (1636, 11430), (1905, 9816), (2045, 9144), (2286, 8180), (2454, 7620), (2540, 7362), (3048, 6135), (3272, 5715), (3681, 5080), (3810, 4908), (4090, 4572)]