19879308

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 53114880

約数和(自身を除く): 33235572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 47, 62, 93, 94, 124, 141, 186, 188, 279, 282, 372, 379, 423, 558, 564, 758, 846, 1116, 1137, 1457, 1516, 1692, 2274, 2914, 3411, 4371, 4548, 5828, 6822, 8742, 11749, 13113, 13644, 17484, 17813, 23498, 26226, 35247, 35626, 46996, 52452, 53439, 70494, 71252, 105741, 106878, 140988, 160317, 211482, 213756, 320634, 422964, 552203, 641268, 1104406, 1656609, 2208812, 3313218, 4969827, 6626436, 9939654, 19879308]

約数ペア:

[(1, 19879308), (2, 9939654), (3, 6626436), (4, 4969827), (6, 3313218), (9, 2208812), (12, 1656609), (18, 1104406), (31, 641268), (36, 552203), (47, 422964), (62, 320634), (93, 213756), (94, 211482), (124, 160317), (141, 140988), (186, 106878), (188, 105741), (279, 71252), (282, 70494), (372, 53439), (379, 52452), (423, 46996), (558, 35626), (564, 35247), (758, 26226), (846, 23498), (1116, 17813), (1137, 17484), (1457, 13644), (1516, 13113), (1692, 11749), (2274, 8742), (2914, 6822), (3411, 5828), (4371, 4548)]