19756428

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1187}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 49230720

約数和(自身を除く): 29474292

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 114, 146, 219, 228, 292, 438, 876, 1187, 1387, 2374, 2774, 3561, 4161, 4748, 5548, 7122, 8322, 14244, 16644, 22553, 45106, 67659, 86651, 90212, 135318, 173302, 259953, 270636, 346604, 519906, 1039812, 1646369, 3292738, 4939107, 6585476, 9878214, 19756428]

約数ペア:

[(1, 19756428), (2, 9878214), (3, 6585476), (4, 4939107), (6, 3292738), (12, 1646369), (19, 1039812), (38, 519906), (57, 346604), (73, 270636), (76, 259953), (114, 173302), (146, 135318), (219, 90212), (228, 86651), (292, 67659), (438, 45106), (876, 22553), (1187, 16644), (1387, 14244), (2374, 8322), (2774, 7122), (3561, 5548), (4161, 4748)]