18933668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 37330944

約数和(自身を除く): 18397276

約数列:

[1, 2, 4, 13, 26, 47, 52, 61, 94, 122, 127, 188, 244, 254, 508, 611, 793, 1222, 1586, 1651, 2444, 2867, 3172, 3302, 5734, 5969, 6604, 7747, 11468, 11938, 15494, 23876, 30988, 37271, 74542, 77597, 100711, 149084, 155194, 201422, 310388, 364109, 402844, 728218, 1456436, 4733417, 9466834, 18933668]

約数ペア:

[(1, 18933668), (2, 9466834), (4, 4733417), (13, 1456436), (26, 728218), (47, 402844), (52, 364109), (61, 310388), (94, 201422), (122, 155194), (127, 149084), (188, 100711), (244, 77597), (254, 74542), (508, 37271), (611, 30988), (793, 23876), (1222, 15494), (1586, 11938), (1651, 11468), (2444, 7747), (2867, 6604), (3172, 5969), (3302, 5734)]