18972131043

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1\times {\mathrm{547}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 25698131200

約数和(自身を除く): 6726000157

約数列:

[1, 3, 157, 211, 349, 471, 547, 633, 1047, 1641, 33127, 54793, 73639, 85879, 99381, 115417, 164379, 190903, 220917, 257637, 346251, 572709, 11561323, 18120469, 29971771, 34683969, 40280533, 54361407, 89915313, 120841599, 6324043681, 18972131043]

約数ペア:

[(1, 18972131043), (3, 6324043681), (157, 120841599), (211, 89915313), (349, 54361407), (471, 40280533), (547, 34683969), (633, 29971771), (1047, 18120469), (1641, 11561323), (33127, 572709), (54793, 346251), (73639, 257637), (85879, 220917), (99381, 190903), (115417, 164379)]