18653934

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 43464960

約数和(自身を除く): 24811026

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 41, 57, 78, 82, 114, 123, 246, 247, 307, 494, 533, 614, 741, 779, 921, 1066, 1482, 1558, 1599, 1842, 2337, 3198, 3991, 4674, 5833, 7982, 10127, 11666, 11973, 12587, 17499, 20254, 23946, 25174, 30381, 34998, 37761, 60762, 75522, 75829, 151658, 163631, 227487, 239153, 327262, 454974, 478306, 490893, 717459, 981786, 1434918, 3108989, 6217978, 9326967, 18653934]

約数ペア:

[(1, 18653934), (2, 9326967), (3, 6217978), (6, 3108989), (13, 1434918), (19, 981786), (26, 717459), (38, 490893), (39, 478306), (41, 454974), (57, 327262), (78, 239153), (82, 227487), (114, 163631), (123, 151658), (246, 75829), (247, 75522), (307, 60762), (494, 37761), (533, 34998), (614, 30381), (741, 25174), (779, 23946), (921, 20254), (1066, 17499), (1482, 12587), (1558, 11973), (1599, 11666), (1842, 10127), (2337, 7982), (3198, 5833), (3991, 4674)]