19791954

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 54198144

約数和(自身を除く): 34406190

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 43, 63, 78, 86, 91, 117, 126, 129, 182, 234, 258, 273, 281, 301, 387, 546, 559, 562, 602, 774, 819, 843, 903, 1118, 1638, 1677, 1686, 1806, 1967, 2529, 2709, 3354, 3653, 3913, 3934, 5031, 5058, 5418, 5901, 7306, 7826, 10062, 10959, 11739, 11802, 12083, 17703, 21918, 23478, 24166, 25571, 32877, 35217, 35406, 36249, 51142, 65754, 70434, 72498, 76713, 84581, 108747, 153426, 157079, 169162, 217494, 230139, 253743, 314158, 460278, 471237, 507486, 761229, 942474, 1099553, 1413711, 1522458, 2199106, 2827422, 3298659, 6597318, 9895977, 19791954]

約数ペア:

[(1, 19791954), (2, 9895977), (3, 6597318), (6, 3298659), (7, 2827422), (9, 2199106), (13, 1522458), (14, 1413711), (18, 1099553), (21, 942474), (26, 761229), (39, 507486), (42, 471237), (43, 460278), (63, 314158), (78, 253743), (86, 230139), (91, 217494), (117, 169162), (126, 157079), (129, 153426), (182, 108747), (234, 84581), (258, 76713), (273, 72498), (281, 70434), (301, 65754), (387, 51142), (546, 36249), (559, 35406), (562, 35217), (602, 32877), (774, 25571), (819, 24166), (843, 23478), (903, 21918), (1118, 17703), (1638, 12083), (1677, 11802), (1686, 11739), (1806, 10959), (1967, 10062), (2529, 7826), (2709, 7306), (3354, 5901), (3653, 5418), (3913, 5058), (3934, 5031)]