18916548

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{607}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 52399872

約数和(自身を除く): 33483324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 53, 84, 98, 106, 147, 159, 196, 212, 294, 318, 371, 588, 607, 636, 742, 1113, 1214, 1484, 1821, 2226, 2428, 2597, 3642, 4249, 4452, 5194, 7284, 7791, 8498, 10388, 12747, 15582, 16996, 25494, 29743, 31164, 32171, 50988, 59486, 64342, 89229, 96513, 118972, 128684, 178458, 193026, 225197, 356916, 386052, 450394, 675591, 900788, 1351182, 1576379, 2702364, 3152758, 4729137, 6305516, 9458274, 18916548]

約数ペア:

[(1, 18916548), (2, 9458274), (3, 6305516), (4, 4729137), (6, 3152758), (7, 2702364), (12, 1576379), (14, 1351182), (21, 900788), (28, 675591), (42, 450394), (49, 386052), (53, 356916), (84, 225197), (98, 193026), (106, 178458), (147, 128684), (159, 118972), (196, 96513), (212, 89229), (294, 64342), (318, 59486), (371, 50988), (588, 32171), (607, 31164), (636, 29743), (742, 25494), (1113, 16996), (1214, 15582), (1484, 12747), (1821, 10388), (2226, 8498), (2428, 7791), (2597, 7284), (3642, 5194), (4249, 4452)]