18970078

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 31352832

約数和(自身を除く): 12382754

約数列:

[1, 2, 23, 31, 46, 53, 62, 106, 251, 502, 713, 1219, 1426, 1643, 2438, 3286, 5773, 7781, 11546, 13303, 15562, 26606, 37789, 75578, 178963, 305969, 357926, 412393, 611938, 824786, 9485039, 18970078]

約数ペア:

[(1, 18970078), (2, 9485039), (23, 824786), (31, 611938), (46, 412393), (53, 357926), (62, 305969), (106, 178963), (251, 75578), (502, 37789), (713, 26606), (1219, 15562), (1426, 13303), (1643, 11546), (2438, 7781), (3286, 5773)]