19665552

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 54282240

約数和(自身を除く): 34616688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 47, 48, 69, 92, 94, 138, 141, 184, 188, 276, 282, 368, 376, 379, 552, 564, 752, 758, 1081, 1104, 1128, 1137, 1516, 2162, 2256, 2274, 3032, 3243, 4324, 4548, 6064, 6486, 8648, 8717, 9096, 12972, 17296, 17434, 17813, 18192, 25944, 26151, 34868, 35626, 51888, 52302, 53439, 69736, 71252, 104604, 106878, 139472, 142504, 209208, 213756, 285008, 409699, 418416, 427512, 819398, 855024, 1229097, 1638796, 2458194, 3277592, 4916388, 6555184, 9832776, 19665552]

約数ペア:

[(1, 19665552), (2, 9832776), (3, 6555184), (4, 4916388), (6, 3277592), (8, 2458194), (12, 1638796), (16, 1229097), (23, 855024), (24, 819398), (46, 427512), (47, 418416), (48, 409699), (69, 285008), (92, 213756), (94, 209208), (138, 142504), (141, 139472), (184, 106878), (188, 104604), (276, 71252), (282, 69736), (368, 53439), (376, 52302), (379, 51888), (552, 35626), (564, 34868), (752, 26151), (758, 25944), (1081, 18192), (1104, 17813), (1128, 17434), (1137, 17296), (1516, 12972), (2162, 9096), (2256, 8717), (2274, 8648), (3032, 6486), (3243, 6064), (4324, 4548)]