19986345366

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{221083}}^1$

素因数の和:221181

約数の個数: 64

約数和(自身を含む): 46056218880

約数和(自身を除く): 26069873514

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 61, 78, 114, 122, 183, 247, 366, 494, 741, 793, 1159, 1482, 1586, 2318, 2379, 3477, 4758, 6954, 15067, 30134, 45201, 90402, 221083, 442166, 663249, 1326498, 2874079, 4200577, 5748158, 8401154, 8622237, 12601731, 13486063, 17244474, 25203462, 26972126, 40458189, 54607501, 80916378, 109215002, 163822503, 175318819, 256235197, 327645006, 350637638, 512470394, 525956457, 768705591, 1051912914, 1537411182, 3331057561, 6662115122, 9993172683, 19986345366]

約数ペア:

[(1, 19986345366), (2, 9993172683), (3, 6662115122), (6, 3331057561), (13, 1537411182), (19, 1051912914), (26, 768705591), (38, 525956457), (39, 512470394), (57, 350637638), (61, 327645006), (78, 256235197), (114, 175318819), (122, 163822503), (183, 109215002), (247, 80916378), (366, 54607501), (494, 40458189), (741, 26972126), (793, 25203462), (1159, 17244474), (1482, 13486063), (1586, 12601731), (2318, 8622237), (2379, 8401154), (3477, 5748158), (4758, 4200577), (6954, 2874079), (15067, 1326498), (30134, 663249), (45201, 442166), (90402, 221083)]