19577340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1783}}^1$

素因数の和:1859

約数の個数: 72

約数和(自身を含む): 60391968

約数和(自身を除く): 40814628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1783, 1830, 2196, 2745, 3566, 3660, 5349, 5490, 7132, 8915, 10698, 10980, 16047, 17830, 21396, 26745, 32094, 35660, 53490, 64188, 80235, 106980, 108763, 160470, 217526, 320940, 326289, 435052, 543815, 652578, 978867, 1087630, 1305156, 1631445, 1957734, 2175260, 3262890, 3915468, 4894335, 6525780, 9788670, 19577340]

約数ペア:

[(1, 19577340), (2, 9788670), (3, 6525780), (4, 4894335), (5, 3915468), (6, 3262890), (9, 2175260), (10, 1957734), (12, 1631445), (15, 1305156), (18, 1087630), (20, 978867), (30, 652578), (36, 543815), (45, 435052), (60, 326289), (61, 320940), (90, 217526), (122, 160470), (180, 108763), (183, 106980), (244, 80235), (305, 64188), (366, 53490), (549, 35660), (610, 32094), (732, 26745), (915, 21396), (1098, 17830), (1220, 16047), (1783, 10980), (1830, 10698), (2196, 8915), (2745, 7132), (3566, 5490), (3660, 5349)]