19240340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 48693960

約数和(自身を除く): 29453620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 677, 812, 980, 1015, 1354, 1421, 2030, 2708, 2842, 3385, 4060, 4739, 5684, 6770, 7105, 9478, 13540, 14210, 18956, 19633, 23695, 28420, 33173, 39266, 47390, 66346, 78532, 94780, 98165, 132692, 137431, 165865, 196330, 274862, 331730, 392660, 549724, 663460, 687155, 962017, 1374310, 1924034, 2748620, 3848068, 4810085, 9620170, 19240340]

約数ペア:

[(1, 19240340), (2, 9620170), (4, 4810085), (5, 3848068), (7, 2748620), (10, 1924034), (14, 1374310), (20, 962017), (28, 687155), (29, 663460), (35, 549724), (49, 392660), (58, 331730), (70, 274862), (98, 196330), (116, 165865), (140, 137431), (145, 132692), (196, 98165), (203, 94780), (245, 78532), (290, 66346), (406, 47390), (490, 39266), (580, 33173), (677, 28420), (812, 23695), (980, 19633), (1015, 18956), (1354, 14210), (1421, 13540), (2030, 9478), (2708, 7105), (2842, 6770), (3385, 5684), (4060, 4739)]