19323458

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 39211776

約数和(自身を除く): 19888318

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 61, 77, 119, 121, 122, 154, 187, 238, 242, 374, 427, 671, 847, 854, 1037, 1309, 1331, 1342, 1694, 2057, 2074, 2618, 2662, 4114, 4697, 7259, 7381, 9317, 9394, 11407, 14399, 14518, 14762, 18634, 22627, 22814, 28798, 45254, 51667, 79849, 81191, 103334, 125477, 158389, 159698, 162382, 250954, 316778, 568337, 878339, 1136674, 1380247, 1756678, 2760494, 9661729, 19323458]

約数ペア:

[(1, 19323458), (2, 9661729), (7, 2760494), (11, 1756678), (14, 1380247), (17, 1136674), (22, 878339), (34, 568337), (61, 316778), (77, 250954), (119, 162382), (121, 159698), (122, 158389), (154, 125477), (187, 103334), (238, 81191), (242, 79849), (374, 51667), (427, 45254), (671, 28798), (847, 22814), (854, 22627), (1037, 18634), (1309, 14762), (1331, 14518), (1342, 14399), (1694, 11407), (2057, 9394), (2074, 9317), (2618, 7381), (2662, 7259), (4114, 4697)]