19963638

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 26485002

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 71, 82, 123, 127, 142, 213, 246, 254, 369, 381, 426, 639, 738, 762, 1107, 1143, 1278, 1917, 2214, 2286, 2911, 3429, 3834, 5207, 5822, 6858, 8733, 9017, 10414, 15621, 17466, 18034, 26199, 27051, 31242, 46863, 52398, 54102, 78597, 81153, 93726, 140589, 157194, 162306, 243459, 281178, 369697, 486918, 739394, 1109091, 2218182, 3327273, 6654546, 9981819, 19963638]

約数ペア:

[(1, 19963638), (2, 9981819), (3, 6654546), (6, 3327273), (9, 2218182), (18, 1109091), (27, 739394), (41, 486918), (54, 369697), (71, 281178), (82, 243459), (123, 162306), (127, 157194), (142, 140589), (213, 93726), (246, 81153), (254, 78597), (369, 54102), (381, 52398), (426, 46863), (639, 31242), (738, 27051), (762, 26199), (1107, 18034), (1143, 17466), (1278, 15621), (1917, 10414), (2214, 9017), (2286, 8733), (2911, 6858), (3429, 5822), (3834, 5207)]