19309896

素因数分解:

$2^3\times 3^2\times {\mathrm{269}}^1\times {\mathrm{997}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 52544700

約数和(自身を除く): 33234804

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 269, 538, 807, 997, 1076, 1614, 1994, 2152, 2421, 2991, 3228, 3988, 4842, 5982, 6456, 7976, 8973, 9684, 11964, 17946, 19368, 23928, 35892, 71784, 268193, 536386, 804579, 1072772, 1609158, 2145544, 2413737, 3218316, 4827474, 6436632, 9654948, 19309896]

約数ペア:

[(1, 19309896), (2, 9654948), (3, 6436632), (4, 4827474), (6, 3218316), (8, 2413737), (9, 2145544), (12, 1609158), (18, 1072772), (24, 804579), (36, 536386), (72, 268193), (269, 71784), (538, 35892), (807, 23928), (997, 19368), (1076, 17946), (1614, 11964), (1994, 9684), (2152, 8973), (2421, 7976), (2991, 6456), (3228, 5982), (3988, 4842)]