18781272

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{13729}}^1$

素因数の和:13760

約数の個数: 48

約数和(自身を含む): 53547000

約数和(自身を除く): 34765728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 13729, 27458, 41187, 54916, 82374, 109832, 123561, 164748, 247122, 260851, 329496, 494244, 521702, 782553, 988488, 1043404, 1565106, 2086808, 2347659, 3130212, 4695318, 6260424, 9390636, 18781272]

約数ペア:

[(1, 18781272), (2, 9390636), (3, 6260424), (4, 4695318), (6, 3130212), (8, 2347659), (9, 2086808), (12, 1565106), (18, 1043404), (19, 988488), (24, 782553), (36, 521702), (38, 494244), (57, 329496), (72, 260851), (76, 247122), (114, 164748), (152, 123561), (171, 109832), (228, 82374), (342, 54916), (456, 41187), (684, 27458), (1368, 13729)]