18932258

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 11757022

約数列:

[1, 2, 31, 47, 62, 73, 89, 94, 146, 178, 1457, 2263, 2759, 2914, 3431, 4183, 4526, 5518, 6497, 6862, 8366, 12994, 106361, 129673, 201407, 212722, 259346, 305359, 402814, 610718, 9466129, 18932258]

約数ペア:

[(1, 18932258), (2, 9466129), (31, 610718), (47, 402814), (62, 305359), (73, 259346), (89, 212722), (94, 201407), (146, 129673), (178, 106361), (1457, 12994), (2263, 8366), (2759, 6862), (2914, 6497), (3431, 5518), (4183, 4526)]