18526378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 31179456

約数和(自身を除く): 12653078

約数列:

[1, 2, 13, 26, 43, 73, 86, 146, 227, 454, 559, 949, 1118, 1898, 2951, 3139, 5902, 6278, 9761, 16571, 19522, 33142, 40807, 81614, 126893, 215423, 253786, 430846, 712553, 1425106, 9263189, 18526378]

約数ペア:

[(1, 18526378), (2, 9263189), (13, 1425106), (26, 712553), (43, 430846), (73, 253786), (86, 215423), (146, 126893), (227, 81614), (454, 40807), (559, 33142), (949, 19522), (1118, 16571), (1898, 9761), (2951, 6278), (3139, 5902)]