18619430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 36799920

約数和(自身を除く): 18180490

約数列:

[1, 2, 5, 10, 19, 38, 43, 53, 86, 95, 106, 190, 215, 265, 430, 530, 817, 1007, 1634, 1849, 2014, 2279, 3698, 4085, 4558, 5035, 8170, 9245, 10070, 11395, 18490, 22790, 35131, 43301, 70262, 86602, 97997, 175655, 195994, 216505, 351310, 433010, 489985, 979970, 1861943, 3723886, 9309715, 18619430]

約数ペア:

[(1, 18619430), (2, 9309715), (5, 3723886), (10, 1861943), (19, 979970), (38, 489985), (43, 433010), (53, 351310), (86, 216505), (95, 195994), (106, 175655), (190, 97997), (215, 86602), (265, 70262), (430, 43301), (530, 35131), (817, 22790), (1007, 18490), (1634, 11395), (1849, 10070), (2014, 9245), (2279, 8170), (3698, 5035), (4085, 4558)]