18869328

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1457

約数の個数: 80

約数和(自身を含む): 55948800

約数和(自身を除く): 37079472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 216, 248, 279, 372, 432, 496, 558, 744, 837, 1116, 1409, 1488, 1674, 2232, 2818, 3348, 4227, 4464, 5636, 6696, 8454, 11272, 12681, 13392, 16908, 22544, 25362, 33816, 38043, 43679, 50724, 67632, 76086, 87358, 101448, 131037, 152172, 174716, 202896, 262074, 304344, 349432, 393111, 524148, 608688, 698864, 786222, 1048296, 1179333, 1572444, 2096592, 2358666, 3144888, 4717332, 6289776, 9434664, 18869328]

約数ペア:

[(1, 18869328), (2, 9434664), (3, 6289776), (4, 4717332), (6, 3144888), (8, 2358666), (9, 2096592), (12, 1572444), (16, 1179333), (18, 1048296), (24, 786222), (27, 698864), (31, 608688), (36, 524148), (48, 393111), (54, 349432), (62, 304344), (72, 262074), (93, 202896), (108, 174716), (124, 152172), (144, 131037), (186, 101448), (216, 87358), (248, 76086), (279, 67632), (372, 50724), (432, 43679), (496, 38043), (558, 33816), (744, 25362), (837, 22544), (1116, 16908), (1409, 13392), (1488, 12681), (1674, 11272), (2232, 8454), (2818, 6696), (3348, 5636), (4227, 4464)]