18313988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{613}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 40435584

約数和(自身を除く): 22121596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 97, 154, 194, 308, 388, 613, 679, 1067, 1226, 1358, 2134, 2452, 2716, 4268, 4291, 6743, 7469, 8582, 13486, 14938, 17164, 26972, 29876, 47201, 59461, 94402, 118922, 188804, 237844, 416227, 654071, 832454, 1308142, 1664908, 2616284, 4578497, 9156994, 18313988]

約数ペア:

[(1, 18313988), (2, 9156994), (4, 4578497), (7, 2616284), (11, 1664908), (14, 1308142), (22, 832454), (28, 654071), (44, 416227), (77, 237844), (97, 188804), (154, 118922), (194, 94402), (308, 59461), (388, 47201), (613, 29876), (679, 26972), (1067, 17164), (1226, 14938), (1358, 13486), (2134, 8582), (2452, 7469), (2716, 6743), (4268, 4291)]