19732860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15661}}^1$

素因数の和:15683

約数の個数: 72

約数和(自身を含む): 68411616

約数和(自身を除く): 48678756

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15661, 31322, 46983, 62644, 78305, 93966, 109627, 140949, 156610, 187932, 219254, 234915, 281898, 313220, 328881, 438508, 469830, 548135, 563796, 657762, 704745, 939660, 986643, 1096270, 1315524, 1409490, 1644405, 1973286, 2192540, 2818980, 3288810, 3946572, 4933215, 6577620, 9866430, 19732860]

約数ペア:

[(1, 19732860), (2, 9866430), (3, 6577620), (4, 4933215), (5, 3946572), (6, 3288810), (7, 2818980), (9, 2192540), (10, 1973286), (12, 1644405), (14, 1409490), (15, 1315524), (18, 1096270), (20, 986643), (21, 939660), (28, 704745), (30, 657762), (35, 563796), (36, 548135), (42, 469830), (45, 438508), (60, 328881), (63, 313220), (70, 281898), (84, 234915), (90, 219254), (105, 187932), (126, 156610), (140, 140949), (180, 109627), (210, 93966), (252, 78305), (315, 62644), (420, 46983), (630, 31322), (1260, 15661)]