18376743

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 14800857

約数列:

[1, 3, 7, 11, 19, 21, 33, 53, 57, 77, 79, 133, 159, 209, 231, 237, 371, 399, 553, 583, 627, 869, 1007, 1113, 1463, 1501, 1659, 1749, 2607, 3021, 4081, 4187, 4389, 4503, 6083, 7049, 10507, 11077, 12243, 12561, 16511, 18249, 21147, 29309, 31521, 33231, 46057, 49533, 77539, 79553, 87927, 115577, 138171, 232617, 238659, 322399, 346731, 556871, 875083, 967197, 1670613, 2625249, 6125581, 18376743]

約数ペア:

[(1, 18376743), (3, 6125581), (7, 2625249), (11, 1670613), (19, 967197), (21, 875083), (33, 556871), (53, 346731), (57, 322399), (77, 238659), (79, 232617), (133, 138171), (159, 115577), (209, 87927), (231, 79553), (237, 77539), (371, 49533), (399, 46057), (553, 33231), (583, 31521), (627, 29309), (869, 21147), (1007, 18249), (1113, 16511), (1463, 12561), (1501, 12243), (1659, 11077), (1749, 10507), (2607, 7049), (3021, 6083), (4081, 4503), (4187, 4389)]