19723862

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 32378880

約数和(自身を除く): 12655018

約数列:

[1, 2, 19, 38, 61, 67, 122, 127, 134, 254, 1159, 1273, 2318, 2413, 2546, 4087, 4826, 7747, 8174, 8509, 15494, 17018, 77653, 147193, 155306, 161671, 294386, 323342, 519049, 1038098, 9861931, 19723862]

約数ペア:

[(1, 19723862), (2, 9861931), (19, 1038098), (38, 519049), (61, 323342), (67, 294386), (122, 161671), (127, 155306), (134, 147193), (254, 77653), (1159, 17018), (1273, 15494), (2318, 8509), (2413, 8174), (2546, 7747), (4087, 4826)]