18926641345

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{389}}^1\times {\mathrm{967}}^1$

素因数の和:1737

約数の個数: 32

約数和(自身を含む): 23647852800

約数和(自身を除く): 4721211455

約数列:

[1, 5, 29, 145, 347, 389, 967, 1735, 1945, 4835, 10063, 11281, 28043, 50315, 56405, 134983, 140215, 335549, 376163, 674915, 1677745, 1880815, 3914507, 9730921, 10908727, 19572535, 48654605, 54543635, 130528561, 652642805, 3785328269, 18926641345]

約数ペア:

[(1, 18926641345), (5, 3785328269), (29, 652642805), (145, 130528561), (347, 54543635), (389, 48654605), (967, 19572535), (1735, 10908727), (1945, 9730921), (4835, 3914507), (10063, 1880815), (11281, 1677745), (28043, 674915), (50315, 376163), (56405, 335549), (134983, 140215)]