18859696

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 37750064

約数和(自身を除く): 18890368

約数列:

[1, 2, 4, 8, 16, 67, 73, 134, 146, 241, 268, 292, 482, 536, 584, 964, 1072, 1168, 1928, 3856, 4891, 9782, 16147, 17593, 19564, 32294, 35186, 39128, 64588, 70372, 78256, 129176, 140744, 258352, 281488, 1178731, 2357462, 4714924, 9429848, 18859696]

約数ペア:

[(1, 18859696), (2, 9429848), (4, 4714924), (8, 2357462), (16, 1178731), (67, 281488), (73, 258352), (134, 140744), (146, 129176), (241, 78256), (268, 70372), (292, 64588), (482, 39128), (536, 35186), (584, 32294), (964, 19564), (1072, 17593), (1168, 16147), (1928, 9782), (3856, 4891)]