19636638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 46835712

約数和(自身を除く): 27199074

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 83, 86, 129, 131, 166, 249, 258, 262, 301, 393, 498, 581, 602, 786, 903, 917, 1162, 1743, 1806, 1834, 2751, 3486, 3569, 5502, 5633, 7138, 10707, 10873, 11266, 16899, 21414, 21746, 24983, 32619, 33798, 39431, 49966, 65238, 74949, 76111, 78862, 118293, 149898, 152222, 228333, 236586, 456666, 467539, 935078, 1402617, 2805234, 3272773, 6545546, 9818319, 19636638]

約数ペア:

[(1, 19636638), (2, 9818319), (3, 6545546), (6, 3272773), (7, 2805234), (14, 1402617), (21, 935078), (42, 467539), (43, 456666), (83, 236586), (86, 228333), (129, 152222), (131, 149898), (166, 118293), (249, 78862), (258, 76111), (262, 74949), (301, 65238), (393, 49966), (498, 39431), (581, 33798), (602, 32619), (786, 24983), (903, 21746), (917, 21414), (1162, 16899), (1743, 11266), (1806, 10873), (1834, 10707), (2751, 7138), (3486, 5633), (3569, 5502)]