19555172

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1733}}^1$

素因数の和:1788

約数の個数: 48

約数和(自身を含む): 43502592

約数和(自身を除く): 23947420

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 1733, 2821, 3466, 5642, 6932, 11284, 12131, 22529, 24262, 45058, 48524, 53723, 90116, 107446, 157703, 214892, 315406, 376061, 630812, 698399, 752122, 1396798, 1504244, 2793596, 4888793, 9777586, 19555172]

約数ペア:

[(1, 19555172), (2, 9777586), (4, 4888793), (7, 2793596), (13, 1504244), (14, 1396798), (26, 752122), (28, 698399), (31, 630812), (52, 376061), (62, 315406), (91, 214892), (124, 157703), (182, 107446), (217, 90116), (364, 53723), (403, 48524), (434, 45058), (806, 24262), (868, 22529), (1612, 12131), (1733, 11284), (2821, 6932), (3466, 5642)]