19912318326

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{337}}^1\times {\mathrm{877}}^1$

素因数の和:1438

約数の個数: 96

約数和(自身を含む): 45832232160

約数和(自身を除く): 25919913834

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 197, 337, 342, 394, 591, 674, 877, 1011, 1182, 1754, 1773, 2022, 2631, 3033, 3546, 3743, 5262, 6066, 6403, 7486, 7893, 11229, 12806, 15786, 16663, 19209, 22458, 33326, 33687, 38418, 49989, 57627, 66389, 67374, 99978, 115254, 132778, 149967, 172769, 199167, 295549, 299934, 345538, 398334, 518307, 591098, 597501, 886647, 1036614, 1195002, 1261391, 1554921, 1773294, 2522782, 2659941, 3109842, 3282611, 3784173, 5319882, 5615431, 6565222, 7568346, 9847833, 11230862, 11352519, 16846293, 19695666, 22705038, 29543499, 33692586, 50538879, 58223153, 59086998, 101077758, 116446306, 174669459, 349338918, 524008377, 1048016754, 1106239907, 2212479814, 3318719721, 6637439442, 9956159163, 19912318326]

約数ペア:

[(1, 19912318326), (2, 9956159163), (3, 6637439442), (6, 3318719721), (9, 2212479814), (18, 1106239907), (19, 1048016754), (38, 524008377), (57, 349338918), (114, 174669459), (171, 116446306), (197, 101077758), (337, 59086998), (342, 58223153), (394, 50538879), (591, 33692586), (674, 29543499), (877, 22705038), (1011, 19695666), (1182, 16846293), (1754, 11352519), (1773, 11230862), (2022, 9847833), (2631, 7568346), (3033, 6565222), (3546, 5615431), (3743, 5319882), (5262, 3784173), (6066, 3282611), (6403, 3109842), (7486, 2659941), (7893, 2522782), (11229, 1773294), (12806, 1554921), (15786, 1261391), (16663, 1195002), (19209, 1036614), (22458, 886647), (33326, 597501), (33687, 591098), (38418, 518307), (49989, 398334), (57627, 345538), (66389, 299934), (67374, 295549), (99978, 199167), (115254, 172769), (132778, 149967)]