19269848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 41395200

約数和(自身を除く): 22125352

約数列:

[1, 2, 4, 8, 13, 26, 31, 43, 52, 62, 86, 104, 124, 139, 172, 248, 278, 344, 403, 556, 559, 806, 1112, 1118, 1333, 1612, 1807, 2236, 2666, 3224, 3614, 4309, 4472, 5332, 5977, 7228, 8618, 10664, 11954, 14456, 17236, 17329, 23908, 34472, 34658, 47816, 56017, 69316, 77701, 112034, 138632, 155402, 185287, 224068, 310804, 370574, 448136, 621608, 741148, 1482296, 2408731, 4817462, 9634924, 19269848]

約数ペア:

[(1, 19269848), (2, 9634924), (4, 4817462), (8, 2408731), (13, 1482296), (26, 741148), (31, 621608), (43, 448136), (52, 370574), (62, 310804), (86, 224068), (104, 185287), (124, 155402), (139, 138632), (172, 112034), (248, 77701), (278, 69316), (344, 56017), (403, 47816), (556, 34658), (559, 34472), (806, 23908), (1112, 17329), (1118, 17236), (1333, 14456), (1612, 11954), (1807, 10664), (2236, 8618), (2666, 7228), (3224, 5977), (3614, 5332), (4309, 4472)]