19564790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 43763328

約数和(自身を除く): 24198538

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 41, 70, 82, 85, 119, 170, 205, 238, 287, 401, 410, 574, 595, 697, 802, 1190, 1394, 1435, 2005, 2807, 2870, 3485, 4010, 4879, 5614, 6817, 6970, 9758, 13634, 14035, 16441, 24395, 28070, 32882, 34085, 47719, 48790, 68170, 82205, 95438, 115087, 164410, 230174, 238595, 279497, 477190, 558994, 575435, 1150870, 1397485, 1956479, 2794970, 3912958, 9782395, 19564790]

約数ペア:

[(1, 19564790), (2, 9782395), (5, 3912958), (7, 2794970), (10, 1956479), (14, 1397485), (17, 1150870), (34, 575435), (35, 558994), (41, 477190), (70, 279497), (82, 238595), (85, 230174), (119, 164410), (170, 115087), (205, 95438), (238, 82205), (287, 68170), (401, 48790), (410, 47719), (574, 34085), (595, 32882), (697, 28070), (802, 24395), (1190, 16441), (1394, 14035), (1435, 13634), (2005, 9758), (2807, 6970), (2870, 6817), (3485, 5614), (4010, 4879)]