18508035

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 37551600

約数和(自身を除く): 19043565

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 149, 169, 195, 245, 273, 447, 455, 507, 637, 735, 745, 845, 1043, 1183, 1365, 1911, 1937, 2235, 2535, 3129, 3185, 3549, 5215, 5811, 5915, 7301, 8281, 9555, 9685, 13559, 15645, 17745, 21903, 24843, 25181, 29055, 36505, 40677, 41405, 67795, 75543, 94913, 109515, 124215, 125905, 176267, 203385, 284739, 377715, 474565, 528801, 881335, 1233869, 1423695, 2644005, 3701607, 6169345, 18508035]

約数ペア:

[(1, 18508035), (3, 6169345), (5, 3701607), (7, 2644005), (13, 1423695), (15, 1233869), (21, 881335), (35, 528801), (39, 474565), (49, 377715), (65, 284739), (91, 203385), (105, 176267), (147, 125905), (149, 124215), (169, 109515), (195, 94913), (245, 75543), (273, 67795), (447, 41405), (455, 40677), (507, 36505), (637, 29055), (735, 25181), (745, 24843), (845, 21903), (1043, 17745), (1183, 15645), (1365, 13559), (1911, 9685), (1937, 9555), (2235, 8281), (2535, 7301), (3129, 5915), (3185, 5811), (3549, 5215)]