18626988

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 44634240

約数和(自身を除く): 26007252

約数列:

[1, 2, 3, 4, 6, 12, 89, 107, 163, 178, 214, 267, 321, 326, 356, 428, 489, 534, 642, 652, 978, 1068, 1284, 1956, 9523, 14507, 17441, 19046, 28569, 29014, 34882, 38092, 43521, 52323, 57138, 58028, 69764, 87042, 104646, 114276, 174084, 209292, 1552249, 3104498, 4656747, 6208996, 9313494, 18626988]

約数ペア:

[(1, 18626988), (2, 9313494), (3, 6208996), (4, 4656747), (6, 3104498), (12, 1552249), (89, 209292), (107, 174084), (163, 114276), (178, 104646), (214, 87042), (267, 69764), (321, 58028), (326, 57138), (356, 52323), (428, 43521), (489, 38092), (534, 34882), (642, 29014), (652, 28569), (978, 19046), (1068, 17441), (1284, 14507), (1956, 9523)]