18460190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 40255488

約数和(自身を除く): 21795298

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 47, 62, 70, 94, 155, 181, 217, 235, 310, 329, 362, 434, 470, 658, 905, 1085, 1267, 1457, 1645, 1810, 2170, 2534, 2914, 3290, 5611, 6335, 7285, 8507, 10199, 11222, 12670, 14570, 17014, 20398, 28055, 39277, 42535, 50995, 56110, 59549, 78554, 85070, 101990, 119098, 196385, 263717, 297745, 392770, 527434, 595490, 1318585, 1846019, 2637170, 3692038, 9230095, 18460190]

約数ペア:

[(1, 18460190), (2, 9230095), (5, 3692038), (7, 2637170), (10, 1846019), (14, 1318585), (31, 595490), (35, 527434), (47, 392770), (62, 297745), (70, 263717), (94, 196385), (155, 119098), (181, 101990), (217, 85070), (235, 78554), (310, 59549), (329, 56110), (362, 50995), (434, 42535), (470, 39277), (658, 28055), (905, 20398), (1085, 17014), (1267, 14570), (1457, 12670), (1645, 11222), (1810, 10199), (2170, 8507), (2534, 7285), (2914, 6335), (3290, 5611)]