19482790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 38457360

約数和(自身を除く): 18974570

約数列:

[1, 2, 5, 10, 19, 38, 41, 61, 82, 95, 122, 190, 205, 305, 410, 610, 779, 1159, 1558, 1681, 2318, 2501, 3362, 3895, 5002, 5795, 7790, 8405, 11590, 12505, 16810, 25010, 31939, 47519, 63878, 95038, 102541, 159695, 205082, 237595, 319390, 475190, 512705, 1025410, 1948279, 3896558, 9741395, 19482790]

約数ペア:

[(1, 19482790), (2, 9741395), (5, 3896558), (10, 1948279), (19, 1025410), (38, 512705), (41, 475190), (61, 319390), (82, 237595), (95, 205082), (122, 159695), (190, 102541), (205, 95038), (305, 63878), (410, 47519), (610, 31939), (779, 25010), (1159, 16810), (1558, 12505), (1681, 11590), (2318, 8405), (2501, 7790), (3362, 5795), (3895, 5002)]