19514754

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2539}}^1$

素因数の和:2615

約数の個数: 48

約数和(自身を含む): 49133760

約数和(自身を除く): 29619006

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2539, 2562, 3843, 5078, 7617, 7686, 15234, 17773, 22851, 35546, 45702, 53319, 106638, 154879, 159957, 309758, 319914, 464637, 929274, 1084153, 1393911, 2168306, 2787822, 3252459, 6504918, 9757377, 19514754]

約数ペア:

[(1, 19514754), (2, 9757377), (3, 6504918), (6, 3252459), (7, 2787822), (9, 2168306), (14, 1393911), (18, 1084153), (21, 929274), (42, 464637), (61, 319914), (63, 309758), (122, 159957), (126, 154879), (183, 106638), (366, 53319), (427, 45702), (549, 35546), (854, 22851), (1098, 17773), (1281, 15234), (2539, 7686), (2562, 7617), (3843, 5078)]