16651638

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 38329200

約数和(自身を除く): 21677562

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 181, 269, 342, 362, 538, 543, 807, 1086, 1614, 1629, 2421, 3258, 3439, 4842, 5111, 6878, 10222, 10317, 15333, 20634, 30666, 30951, 45999, 48689, 61902, 91998, 97378, 146067, 292134, 438201, 876402, 925091, 1850182, 2775273, 5550546, 8325819, 16651638]

約数ペア:

[(1, 16651638), (2, 8325819), (3, 5550546), (6, 2775273), (9, 1850182), (18, 925091), (19, 876402), (38, 438201), (57, 292134), (114, 146067), (171, 97378), (181, 91998), (269, 61902), (342, 48689), (362, 45999), (538, 30951), (543, 30666), (807, 20634), (1086, 15333), (1614, 10317), (1629, 10222), (2421, 6878), (3258, 5111), (3439, 4842)]