19904310078

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1\times {\mathrm{80713}}^1$

素因数の和:82528

約数の個数: 32

約数和(自身を含む): 41563190016

約数和(自身を除く): 21658879938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 1787, 3574, 5361, 10722, 41101, 80713, 82202, 123303, 161426, 242139, 246606, 484278, 1856399, 3712798, 5569197, 11138394, 144234131, 288468262, 432702393, 865404786, 3317385013, 6634770026, 9952155039, 19904310078]

約数ペア:

[(1, 19904310078), (2, 9952155039), (3, 6634770026), (6, 3317385013), (23, 865404786), (46, 432702393), (69, 288468262), (138, 144234131), (1787, 11138394), (3574, 5569197), (5361, 3712798), (10722, 1856399), (41101, 484278), (80713, 246606), (82202, 242139), (123303, 161426)]