17684820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5171}}^1$

素因数の和:5205

約数の個数: 72

約数和(自身を含む): 56478240

約数和(自身を除く): 38793420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5171, 10342, 15513, 20684, 25855, 31026, 46539, 51710, 62052, 77565, 93078, 98249, 103420, 155130, 186156, 196498, 232695, 294747, 310260, 392996, 465390, 491245, 589494, 884241, 930780, 982490, 1178988, 1473735, 1768482, 1964980, 2947470, 3536964, 4421205, 5894940, 8842410, 17684820]

約数ペア:

[(1, 17684820), (2, 8842410), (3, 5894940), (4, 4421205), (5, 3536964), (6, 2947470), (9, 1964980), (10, 1768482), (12, 1473735), (15, 1178988), (18, 982490), (19, 930780), (20, 884241), (30, 589494), (36, 491245), (38, 465390), (45, 392996), (57, 310260), (60, 294747), (76, 232695), (90, 196498), (95, 186156), (114, 155130), (171, 103420), (180, 98249), (190, 93078), (228, 77565), (285, 62052), (342, 51710), (380, 46539), (570, 31026), (684, 25855), (855, 20684), (1140, 15513), (1710, 10342), (3420, 5171)]