19791888

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 54091776

約数和(自身を除く): 34299888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 47, 48, 62, 93, 94, 124, 141, 186, 188, 248, 282, 283, 372, 376, 496, 564, 566, 744, 752, 849, 1128, 1132, 1457, 1488, 1698, 2256, 2264, 2914, 3396, 4371, 4528, 5828, 6792, 8742, 8773, 11656, 13301, 13584, 17484, 17546, 23312, 26319, 26602, 34968, 35092, 39903, 52638, 53204, 69936, 70184, 79806, 105276, 106408, 140368, 159612, 210552, 212816, 319224, 412331, 421104, 638448, 824662, 1236993, 1649324, 2473986, 3298648, 4947972, 6597296, 9895944, 19791888]

約数ペア:

[(1, 19791888), (2, 9895944), (3, 6597296), (4, 4947972), (6, 3298648), (8, 2473986), (12, 1649324), (16, 1236993), (24, 824662), (31, 638448), (47, 421104), (48, 412331), (62, 319224), (93, 212816), (94, 210552), (124, 159612), (141, 140368), (186, 106408), (188, 105276), (248, 79806), (282, 70184), (283, 69936), (372, 53204), (376, 52638), (496, 39903), (564, 35092), (566, 34968), (744, 26602), (752, 26319), (849, 23312), (1128, 17546), (1132, 17484), (1457, 13584), (1488, 13301), (1698, 11656), (2256, 8773), (2264, 8742), (2914, 6792), (3396, 5828), (4371, 4528)]