19969380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5839}}^1$

素因数の和:5873

約数の個数: 72

約数和(自身を含む): 63772800

約数和(自身を除く): 43803420

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, 5839, 11678, 17517, 23356, 29195, 35034, 52551, 58390, 70068, 87585, 105102, 110941, 116780, 175170, 210204, 221882, 262755, 332823, 350340, 443764, 525510, 554705, 665646, 998469, 1051020, 1109410, 1331292, 1664115, 1996938, 2218820, 3328230, 3993876, 4992345, 6656460, 9984690, 19969380]

約数ペア:

[(1, 19969380), (2, 9984690), (3, 6656460), (4, 4992345), (5, 3993876), (6, 3328230), (9, 2218820), (10, 1996938), (12, 1664115), (15, 1331292), (18, 1109410), (19, 1051020), (20, 998469), (30, 665646), (36, 554705), (38, 525510), (45, 443764), (57, 350340), (60, 332823), (76, 262755), (90, 221882), (95, 210204), (114, 175170), (171, 116780), (180, 110941), (190, 105102), (228, 87585), (285, 70068), (342, 58390), (380, 52551), (570, 35034), (684, 29195), (855, 23356), (1140, 17517), (1710, 11678), (3420, 5839)]