19191960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{599}}^1$

素因数の和:705

約数の個数: 96

約数和(自身を含む): 63180000

約数和(自身を除く): 43988040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 89, 90, 120, 178, 180, 267, 356, 360, 445, 534, 599, 712, 801, 890, 1068, 1198, 1335, 1602, 1780, 1797, 2136, 2396, 2670, 2995, 3204, 3560, 3594, 4005, 4792, 5340, 5391, 5990, 6408, 7188, 8010, 8985, 10680, 10782, 11980, 14376, 16020, 17970, 21564, 23960, 26955, 32040, 35940, 43128, 53311, 53910, 71880, 106622, 107820, 159933, 213244, 215640, 266555, 319866, 426488, 479799, 533110, 639732, 799665, 959598, 1066220, 1279464, 1599330, 1919196, 2132440, 2398995, 3198660, 3838392, 4797990, 6397320, 9595980, 19191960]

約数ペア:

[(1, 19191960), (2, 9595980), (3, 6397320), (4, 4797990), (5, 3838392), (6, 3198660), (8, 2398995), (9, 2132440), (10, 1919196), (12, 1599330), (15, 1279464), (18, 1066220), (20, 959598), (24, 799665), (30, 639732), (36, 533110), (40, 479799), (45, 426488), (60, 319866), (72, 266555), (89, 215640), (90, 213244), (120, 159933), (178, 107820), (180, 106622), (267, 71880), (356, 53910), (360, 53311), (445, 43128), (534, 35940), (599, 32040), (712, 26955), (801, 23960), (890, 21564), (1068, 17970), (1198, 16020), (1335, 14376), (1602, 11980), (1780, 10782), (1797, 10680), (2136, 8985), (2396, 8010), (2670, 7188), (2995, 6408), (3204, 5990), (3560, 5391), (3594, 5340), (4005, 4792)]