19742220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1637}}^1$

素因数の和:1719

約数の個数: 72

約数和(自身を含む): 60815664

約数和(自身を除く): 41073444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 1637, 2010, 2412, 3015, 3274, 4020, 4911, 6030, 6548, 8185, 9822, 12060, 14733, 16370, 19644, 24555, 29466, 32740, 49110, 58932, 73665, 98220, 109679, 147330, 219358, 294660, 329037, 438716, 548395, 658074, 987111, 1096790, 1316148, 1645185, 1974222, 2193580, 3290370, 3948444, 4935555, 6580740, 9871110, 19742220]

約数ペア:

[(1, 19742220), (2, 9871110), (3, 6580740), (4, 4935555), (5, 3948444), (6, 3290370), (9, 2193580), (10, 1974222), (12, 1645185), (15, 1316148), (18, 1096790), (20, 987111), (30, 658074), (36, 548395), (45, 438716), (60, 329037), (67, 294660), (90, 219358), (134, 147330), (180, 109679), (201, 98220), (268, 73665), (335, 58932), (402, 49110), (603, 32740), (670, 29466), (804, 24555), (1005, 19644), (1206, 16370), (1340, 14733), (1637, 12060), (2010, 9822), (2412, 8185), (3015, 6548), (3274, 6030), (4020, 4911)]