18068505

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 37997568

約数和(自身を除く): 19929063

約数列:

[1, 3, 5, 7, 13, 15, 21, 31, 35, 39, 49, 61, 65, 91, 93, 105, 147, 155, 183, 195, 217, 245, 273, 305, 403, 427, 455, 465, 637, 651, 735, 793, 915, 1085, 1209, 1281, 1365, 1519, 1891, 1911, 2015, 2135, 2379, 2821, 2989, 3185, 3255, 3965, 4557, 5551, 5673, 6045, 6405, 7595, 8463, 8967, 9455, 9555, 11895, 13237, 14105, 14945, 16653, 19747, 22785, 24583, 27755, 28365, 38857, 39711, 42315, 44835, 59241, 66185, 73749, 83265, 92659, 98735, 116571, 122915, 172081, 194285, 198555, 277977, 296205, 368745, 463295, 516243, 582855, 860405, 1204567, 1389885, 2581215, 3613701, 6022835, 18068505]

約数ペア:

[(1, 18068505), (3, 6022835), (5, 3613701), (7, 2581215), (13, 1389885), (15, 1204567), (21, 860405), (31, 582855), (35, 516243), (39, 463295), (49, 368745), (61, 296205), (65, 277977), (91, 198555), (93, 194285), (105, 172081), (147, 122915), (155, 116571), (183, 98735), (195, 92659), (217, 83265), (245, 73749), (273, 66185), (305, 59241), (403, 44835), (427, 42315), (455, 39711), (465, 38857), (637, 28365), (651, 27755), (735, 24583), (793, 22785), (915, 19747), (1085, 16653), (1209, 14945), (1281, 14105), (1365, 13237), (1519, 11895), (1891, 9555), (1911, 9455), (2015, 8967), (2135, 8463), (2379, 7595), (2821, 6405), (2989, 6045), (3185, 5673), (3255, 5551), (3965, 4557)]