18450684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{347}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 53708928

約数和(自身を除く): 35258244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 211, 252, 347, 422, 633, 694, 844, 1041, 1266, 1388, 1477, 1899, 2082, 2429, 2532, 2954, 3123, 3798, 4164, 4431, 4858, 5908, 6246, 7287, 7596, 8862, 9716, 12492, 13293, 14574, 17724, 21861, 26586, 29148, 43722, 53172, 73217, 87444, 146434, 219651, 292868, 439302, 512519, 658953, 878604, 1025038, 1317906, 1537557, 2050076, 2635812, 3075114, 4612671, 6150228, 9225342, 18450684]

約数ペア:

[(1, 18450684), (2, 9225342), (3, 6150228), (4, 4612671), (6, 3075114), (7, 2635812), (9, 2050076), (12, 1537557), (14, 1317906), (18, 1025038), (21, 878604), (28, 658953), (36, 512519), (42, 439302), (63, 292868), (84, 219651), (126, 146434), (211, 87444), (252, 73217), (347, 53172), (422, 43722), (633, 29148), (694, 26586), (844, 21861), (1041, 17724), (1266, 14574), (1388, 13293), (1477, 12492), (1899, 9716), (2082, 8862), (2429, 7596), (2532, 7287), (2954, 6246), (3123, 5908), (3798, 4858), (4164, 4431)]