19690368

素因数分解:

$2^7\times 3^1\times {\mathrm{47}}^1\times {\mathrm{1091}}^1$

素因数の和:1155

約数の個数: 64

約数和(自身を含む): 53464320

約数和(自身を除く): 33773952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 128, 141, 188, 192, 282, 376, 384, 564, 752, 1091, 1128, 1504, 2182, 2256, 3008, 3273, 4364, 4512, 6016, 6546, 8728, 9024, 13092, 17456, 18048, 26184, 34912, 51277, 52368, 69824, 102554, 104736, 139648, 153831, 205108, 209472, 307662, 410216, 418944, 615324, 820432, 1230648, 1640864, 2461296, 3281728, 4922592, 6563456, 9845184, 19690368]

約数ペア:

[(1, 19690368), (2, 9845184), (3, 6563456), (4, 4922592), (6, 3281728), (8, 2461296), (12, 1640864), (16, 1230648), (24, 820432), (32, 615324), (47, 418944), (48, 410216), (64, 307662), (94, 209472), (96, 205108), (128, 153831), (141, 139648), (188, 104736), (192, 102554), (282, 69824), (376, 52368), (384, 51277), (564, 34912), (752, 26184), (1091, 18048), (1128, 17456), (1504, 13092), (2182, 9024), (2256, 8728), (3008, 6546), (3273, 6016), (4364, 4512)]