19297980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2749}}^1$

素因数の和:2780

約数の個数: 96

約数和(自身を含む): 64680000

約数和(自身を除く): 45382020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 2749, 3510, 5498, 7020, 8247, 10996, 13745, 16494, 24741, 27490, 32988, 35737, 41235, 49482, 54980, 71474, 74223, 82470, 98964, 107211, 123705, 142948, 148446, 164940, 178685, 214422, 247410, 296892, 321633, 357370, 371115, 428844, 494820, 536055, 643266, 714740, 742230, 964899, 1072110, 1286532, 1484460, 1608165, 1929798, 2144220, 3216330, 3859596, 4824495, 6432660, 9648990, 19297980]

約数ペア:

[(1, 19297980), (2, 9648990), (3, 6432660), (4, 4824495), (5, 3859596), (6, 3216330), (9, 2144220), (10, 1929798), (12, 1608165), (13, 1484460), (15, 1286532), (18, 1072110), (20, 964899), (26, 742230), (27, 714740), (30, 643266), (36, 536055), (39, 494820), (45, 428844), (52, 371115), (54, 357370), (60, 321633), (65, 296892), (78, 247410), (90, 214422), (108, 178685), (117, 164940), (130, 148446), (135, 142948), (156, 123705), (180, 107211), (195, 98964), (234, 82470), (260, 74223), (270, 71474), (351, 54980), (390, 49482), (468, 41235), (540, 35737), (585, 32988), (702, 27490), (780, 24741), (1170, 16494), (1404, 13745), (1755, 10996), (2340, 8247), (2749, 7020), (3510, 5498)]