19750458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 49496832

約数和(自身を除く): 29746374

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 61, 78, 91, 122, 182, 183, 273, 366, 427, 546, 593, 793, 854, 1186, 1281, 1586, 1779, 2379, 2562, 3558, 4151, 4758, 5551, 7709, 8302, 11102, 12453, 15418, 16653, 23127, 24906, 33306, 36173, 46254, 53963, 72346, 107926, 108519, 161889, 217038, 253211, 323778, 470249, 506422, 759633, 940498, 1410747, 1519266, 2821494, 3291743, 6583486, 9875229, 19750458]

約数ペア:

[(1, 19750458), (2, 9875229), (3, 6583486), (6, 3291743), (7, 2821494), (13, 1519266), (14, 1410747), (21, 940498), (26, 759633), (39, 506422), (42, 470249), (61, 323778), (78, 253211), (91, 217038), (122, 161889), (182, 108519), (183, 107926), (273, 72346), (366, 53963), (427, 46254), (546, 36173), (593, 33306), (793, 24906), (854, 23127), (1186, 16653), (1281, 15418), (1586, 12453), (1779, 11102), (2379, 8302), (2562, 7709), (3558, 5551), (4151, 4758)]