2019061904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{601}}^1$

素因数の和:928

約数の個数: 80

約数和(自身を含む): 4237020480

約数和(自身を除く): 2217958576

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 257, 304, 344, 514, 601, 688, 817, 1028, 1202, 1634, 2056, 2404, 3268, 4112, 4808, 4883, 6536, 9616, 9766, 11051, 11419, 13072, 19532, 22102, 22838, 25843, 39064, 44204, 45676, 51686, 78128, 88408, 91352, 103372, 154457, 176816, 182704, 206744, 209969, 308914, 413488, 419938, 491017, 617828, 839876, 982034, 1235656, 1679752, 1964068, 2471312, 2934683, 3359504, 3928136, 5869366, 6641651, 7856272, 11738732, 13283302, 23477464, 26566604, 46954928, 53133208, 106266416, 126191369, 252382738, 504765476, 1009530952, 2019061904]

約数ペア:

[(1, 2019061904), (2, 1009530952), (4, 504765476), (8, 252382738), (16, 126191369), (19, 106266416), (38, 53133208), (43, 46954928), (76, 26566604), (86, 23477464), (152, 13283302), (172, 11738732), (257, 7856272), (304, 6641651), (344, 5869366), (514, 3928136), (601, 3359504), (688, 2934683), (817, 2471312), (1028, 1964068), (1202, 1679752), (1634, 1235656), (2056, 982034), (2404, 839876), (3268, 617828), (4112, 491017), (4808, 419938), (4883, 413488), (6536, 308914), (9616, 209969), (9766, 206744), (11051, 182704), (11419, 176816), (13072, 154457), (19532, 103372), (22102, 91352), (22838, 88408), (25843, 78128), (39064, 51686), (44204, 45676)]