19950910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1109}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 41238720

約数和(自身を除く): 21287810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1109, 1285, 1799, 2218, 2570, 3598, 5545, 7763, 8995, 11090, 15526, 17990, 38815, 77630, 285013, 570026, 1425065, 1995091, 2850130, 3990182, 9975455, 19950910]

約数ペア:

[(1, 19950910), (2, 9975455), (5, 3990182), (7, 2850130), (10, 1995091), (14, 1425065), (35, 570026), (70, 285013), (257, 77630), (514, 38815), (1109, 17990), (1285, 15526), (1799, 11090), (2218, 8995), (2570, 7763), (3598, 5545)]