19816192

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 44739072

約数和(自身を除く): 24922880

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 227, 248, 256, 341, 352, 454, 496, 682, 704, 908, 992, 1364, 1408, 1816, 1984, 2497, 2728, 2816, 3632, 3968, 4994, 5456, 7037, 7264, 7936, 9988, 10912, 14074, 14528, 19976, 21824, 28148, 29056, 39952, 43648, 56296, 58112, 77407, 79904, 87296, 112592, 154814, 159808, 225184, 309628, 319616, 450368, 619256, 639232, 900736, 1238512, 1801472, 2477024, 4954048, 9908096, 19816192]

約数ペア:

[(1, 19816192), (2, 9908096), (4, 4954048), (8, 2477024), (11, 1801472), (16, 1238512), (22, 900736), (31, 639232), (32, 619256), (44, 450368), (62, 319616), (64, 309628), (88, 225184), (124, 159808), (128, 154814), (176, 112592), (227, 87296), (248, 79904), (256, 77407), (341, 58112), (352, 56296), (454, 43648), (496, 39952), (682, 29056), (704, 28148), (908, 21824), (992, 19976), (1364, 14528), (1408, 14074), (1816, 10912), (1984, 9988), (2497, 7936), (2728, 7264), (2816, 7037), (3632, 5456), (3968, 4994)]