18636228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{39821}}^1$

素因数の和:39844

約数の個数: 36

約数和(自身を含む): 50733228

約数和(自身を除く): 32097000

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 39821, 79642, 119463, 159284, 238926, 358389, 477852, 517673, 716778, 1035346, 1433556, 1553019, 2070692, 3106038, 4659057, 6212076, 9318114, 18636228]

約数ペア:

[(1, 18636228), (2, 9318114), (3, 6212076), (4, 4659057), (6, 3106038), (9, 2070692), (12, 1553019), (13, 1433556), (18, 1035346), (26, 716778), (36, 517673), (39, 477852), (52, 358389), (78, 238926), (117, 159284), (156, 119463), (234, 79642), (468, 39821)]