18728928

素因数分解:

$2^5\times 3^3\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 55792800

約数和(自身を除く): 37063872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 72, 96, 106, 108, 144, 159, 212, 216, 288, 318, 409, 424, 432, 477, 636, 818, 848, 864, 954, 1227, 1272, 1431, 1636, 1696, 1908, 2454, 2544, 2862, 3272, 3681, 3816, 4908, 5088, 5724, 6544, 7362, 7632, 9816, 11043, 11448, 13088, 14724, 15264, 19632, 21677, 22086, 22896, 29448, 39264, 43354, 44172, 45792, 58896, 65031, 86708, 88344, 117792, 130062, 173416, 176688, 195093, 260124, 346832, 353376, 390186, 520248, 585279, 693664, 780372, 1040496, 1170558, 1560744, 2080992, 2341116, 3121488, 4682232, 6242976, 9364464, 18728928]

約数ペア:

[(1, 18728928), (2, 9364464), (3, 6242976), (4, 4682232), (6, 3121488), (8, 2341116), (9, 2080992), (12, 1560744), (16, 1170558), (18, 1040496), (24, 780372), (27, 693664), (32, 585279), (36, 520248), (48, 390186), (53, 353376), (54, 346832), (72, 260124), (96, 195093), (106, 176688), (108, 173416), (144, 130062), (159, 117792), (212, 88344), (216, 86708), (288, 65031), (318, 58896), (409, 45792), (424, 44172), (432, 43354), (477, 39264), (636, 29448), (818, 22896), (848, 22086), (864, 21677), (954, 19632), (1227, 15264), (1272, 14724), (1431, 13088), (1636, 11448), (1696, 11043), (1908, 9816), (2454, 7632), (2544, 7362), (2862, 6544), (3272, 5724), (3681, 5088), (3816, 4908)]