19834380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1091}}^1$

素因数の和:1207

約数の個数: 72

約数和(自身を含む): 60815664

約数和(自身を除く): 40981284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1091, 1212, 1515, 1818, 2020, 2182, 3030, 3273, 3636, 4364, 4545, 5455, 6060, 6546, 9090, 9819, 10910, 13092, 16365, 18180, 19638, 21820, 32730, 39276, 49095, 65460, 98190, 110191, 196380, 220382, 330573, 440764, 550955, 661146, 991719, 1101910, 1322292, 1652865, 1983438, 2203820, 3305730, 3966876, 4958595, 6611460, 9917190, 19834380]

約数ペア:

[(1, 19834380), (2, 9917190), (3, 6611460), (4, 4958595), (5, 3966876), (6, 3305730), (9, 2203820), (10, 1983438), (12, 1652865), (15, 1322292), (18, 1101910), (20, 991719), (30, 661146), (36, 550955), (45, 440764), (60, 330573), (90, 220382), (101, 196380), (180, 110191), (202, 98190), (303, 65460), (404, 49095), (505, 39276), (606, 32730), (909, 21820), (1010, 19638), (1091, 18180), (1212, 16365), (1515, 13092), (1818, 10910), (2020, 9819), (2182, 9090), (3030, 6546), (3273, 6060), (3636, 5455), (4364, 4545)]