19685330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 43787520

約数和(自身を除く): 24102190

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 41, 70, 82, 95, 133, 190, 205, 266, 287, 361, 410, 574, 665, 722, 779, 1330, 1435, 1558, 1805, 2527, 2870, 3610, 3895, 5054, 5453, 6859, 7790, 10906, 12635, 13718, 14801, 25270, 27265, 29602, 34295, 48013, 54530, 68590, 74005, 96026, 103607, 148010, 207214, 240065, 281219, 480130, 518035, 562438, 1036070, 1406095, 1968533, 2812190, 3937066, 9842665, 19685330]

約数ペア:

[(1, 19685330), (2, 9842665), (5, 3937066), (7, 2812190), (10, 1968533), (14, 1406095), (19, 1036070), (35, 562438), (38, 518035), (41, 480130), (70, 281219), (82, 240065), (95, 207214), (133, 148010), (190, 103607), (205, 96026), (266, 74005), (287, 68590), (361, 54530), (410, 48013), (574, 34295), (665, 29602), (722, 27265), (779, 25270), (1330, 14801), (1435, 13718), (1558, 12635), (1805, 10906), (2527, 7790), (2870, 6859), (3610, 5453), (3895, 5054)]