19087838

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 39564288

約数和(自身を除く): 20476450

約数列:

[1, 2, 7, 11, 14, 17, 22, 23, 34, 46, 77, 119, 154, 161, 187, 238, 253, 317, 322, 374, 391, 506, 634, 782, 1309, 1771, 2219, 2618, 2737, 3487, 3542, 4301, 4438, 5389, 5474, 6974, 7291, 8602, 10778, 14582, 24409, 30107, 37723, 48818, 51037, 59279, 60214, 75446, 80201, 102074, 118558, 123947, 160402, 247894, 414953, 561407, 829906, 867629, 1122814, 1363417, 1735258, 2726834, 9543919, 19087838]

約数ペア:

[(1, 19087838), (2, 9543919), (7, 2726834), (11, 1735258), (14, 1363417), (17, 1122814), (22, 867629), (23, 829906), (34, 561407), (46, 414953), (77, 247894), (119, 160402), (154, 123947), (161, 118558), (187, 102074), (238, 80201), (253, 75446), (317, 60214), (322, 59279), (374, 51037), (391, 48818), (506, 37723), (634, 30107), (782, 24409), (1309, 14582), (1771, 10778), (2219, 8602), (2618, 7291), (2737, 6974), (3487, 5474), (3542, 5389), (4301, 4438)]