19108340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 43509312

約数和(自身を除く): 24400972

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1307, 1462, 2614, 2924, 3655, 5228, 6535, 7310, 13070, 14620, 22219, 26140, 44438, 56201, 88876, 111095, 112402, 222190, 224804, 281005, 444380, 562010, 955417, 1124020, 1910834, 3821668, 4777085, 9554170, 19108340]

約数ペア:

[(1, 19108340), (2, 9554170), (4, 4777085), (5, 3821668), (10, 1910834), (17, 1124020), (20, 955417), (34, 562010), (43, 444380), (68, 281005), (85, 224804), (86, 222190), (170, 112402), (172, 111095), (215, 88876), (340, 56201), (430, 44438), (731, 26140), (860, 22219), (1307, 14620), (1462, 13070), (2614, 7310), (2924, 6535), (3655, 5228)]