19559968

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{607}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21808352

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 76, 106, 152, 212, 304, 424, 607, 608, 848, 1007, 1214, 1696, 2014, 2428, 4028, 4856, 8056, 9712, 11533, 16112, 19424, 23066, 32171, 32224, 46132, 64342, 92264, 128684, 184528, 257368, 369056, 514736, 611249, 1029472, 1222498, 2444996, 4889992, 9779984, 19559968]

約数ペア:

[(1, 19559968), (2, 9779984), (4, 4889992), (8, 2444996), (16, 1222498), (19, 1029472), (32, 611249), (38, 514736), (53, 369056), (76, 257368), (106, 184528), (152, 128684), (212, 92264), (304, 64342), (424, 46132), (607, 32224), (608, 32171), (848, 23066), (1007, 19424), (1214, 16112), (1696, 11533), (2014, 9712), (2428, 8056), (4028, 4856)]