19729944

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 58378320

約数和(自身を除く): 38648376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 107, 117, 156, 197, 214, 234, 312, 321, 394, 428, 468, 591, 642, 788, 856, 936, 963, 1182, 1284, 1391, 1576, 1773, 1926, 2364, 2561, 2568, 2782, 3546, 3852, 4173, 4728, 5122, 5564, 7092, 7683, 7704, 8346, 10244, 11128, 12519, 14184, 15366, 16692, 20488, 21079, 23049, 25038, 30732, 33384, 42158, 46098, 50076, 61464, 63237, 84316, 92196, 100152, 126474, 168632, 184392, 189711, 252948, 274027, 379422, 505896, 548054, 758844, 822081, 1096108, 1517688, 1644162, 2192216, 2466243, 3288324, 4932486, 6576648, 9864972, 19729944]

約数ペア:

[(1, 19729944), (2, 9864972), (3, 6576648), (4, 4932486), (6, 3288324), (8, 2466243), (9, 2192216), (12, 1644162), (13, 1517688), (18, 1096108), (24, 822081), (26, 758844), (36, 548054), (39, 505896), (52, 379422), (72, 274027), (78, 252948), (104, 189711), (107, 184392), (117, 168632), (156, 126474), (197, 100152), (214, 92196), (234, 84316), (312, 63237), (321, 61464), (394, 50076), (428, 46098), (468, 42158), (591, 33384), (642, 30732), (788, 25038), (856, 23049), (936, 21079), (963, 20488), (1182, 16692), (1284, 15366), (1391, 14184), (1576, 12519), (1773, 11128), (1926, 10244), (2364, 8346), (2561, 7704), (2568, 7683), (2782, 7092), (3546, 5564), (3852, 5122), (4173, 4728)]