18849488

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 44282880

約数和(自身を除く): 25433392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 61, 62, 89, 112, 122, 124, 178, 217, 244, 248, 356, 427, 434, 488, 496, 623, 712, 854, 868, 976, 1246, 1424, 1708, 1736, 1891, 2492, 2759, 3416, 3472, 3782, 4984, 5429, 5518, 6832, 7564, 9968, 10858, 11036, 13237, 15128, 19313, 21716, 22072, 26474, 30256, 38003, 38626, 43432, 44144, 52948, 76006, 77252, 86864, 105896, 152012, 154504, 168299, 211792, 304024, 309008, 336598, 608048, 673196, 1178093, 1346392, 2356186, 2692784, 4712372, 9424744, 18849488]

約数ペア:

[(1, 18849488), (2, 9424744), (4, 4712372), (7, 2692784), (8, 2356186), (14, 1346392), (16, 1178093), (28, 673196), (31, 608048), (56, 336598), (61, 309008), (62, 304024), (89, 211792), (112, 168299), (122, 154504), (124, 152012), (178, 105896), (217, 86864), (244, 77252), (248, 76006), (356, 52948), (427, 44144), (434, 43432), (488, 38626), (496, 38003), (623, 30256), (712, 26474), (854, 22072), (868, 21716), (976, 19313), (1246, 15128), (1424, 13237), (1708, 11036), (1736, 10858), (1891, 9968), (2492, 7564), (2759, 6832), (3416, 5518), (3472, 5429), (3782, 4984)]