19738290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 57480192

約数和(自身を除く): 37741902

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 43, 55, 65, 66, 78, 86, 107, 110, 129, 130, 143, 165, 195, 214, 215, 258, 286, 321, 330, 390, 429, 430, 473, 535, 559, 642, 645, 715, 858, 946, 1070, 1118, 1177, 1290, 1391, 1419, 1430, 1605, 1677, 2145, 2354, 2365, 2782, 2795, 2838, 3210, 3354, 3531, 4173, 4290, 4601, 4730, 5590, 5885, 6149, 6955, 7062, 7095, 8346, 8385, 9202, 11770, 12298, 13803, 13910, 14190, 15301, 16770, 17655, 18447, 20865, 23005, 27606, 30602, 30745, 35310, 36894, 41730, 45903, 46010, 50611, 59813, 61490, 69015, 76505, 91806, 92235, 101222, 119626, 138030, 151833, 153010, 179439, 184470, 229515, 253055, 299065, 303666, 358878, 459030, 506110, 598130, 657943, 759165, 897195, 1315886, 1518330, 1794390, 1973829, 3289715, 3947658, 6579430, 9869145, 19738290]

約数ペア:

[(1, 19738290), (2, 9869145), (3, 6579430), (5, 3947658), (6, 3289715), (10, 1973829), (11, 1794390), (13, 1518330), (15, 1315886), (22, 897195), (26, 759165), (30, 657943), (33, 598130), (39, 506110), (43, 459030), (55, 358878), (65, 303666), (66, 299065), (78, 253055), (86, 229515), (107, 184470), (110, 179439), (129, 153010), (130, 151833), (143, 138030), (165, 119626), (195, 101222), (214, 92235), (215, 91806), (258, 76505), (286, 69015), (321, 61490), (330, 59813), (390, 50611), (429, 46010), (430, 45903), (473, 41730), (535, 36894), (559, 35310), (642, 30745), (645, 30602), (715, 27606), (858, 23005), (946, 20865), (1070, 18447), (1118, 17655), (1177, 16770), (1290, 15301), (1391, 14190), (1419, 13910), (1430, 13803), (1605, 12298), (1677, 11770), (2145, 9202), (2354, 8385), (2365, 8346), (2782, 7095), (2795, 7062), (2838, 6955), (3210, 6149), (3354, 5885), (3531, 5590), (4173, 4730), (4290, 4601)]