19440270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 52488000

約数和(自身を除く): 33047730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 89, 90, 135, 178, 267, 270, 445, 534, 801, 809, 890, 1335, 1602, 1618, 2403, 2427, 2670, 4005, 4045, 4806, 4854, 7281, 8010, 8090, 12015, 12135, 14562, 21843, 24030, 24270, 36405, 43686, 72001, 72810, 109215, 144002, 216003, 218430, 360005, 432006, 648009, 720010, 1080015, 1296018, 1944027, 2160030, 3240045, 3888054, 6480090, 9720135, 19440270]

約数ペア:

[(1, 19440270), (2, 9720135), (3, 6480090), (5, 3888054), (6, 3240045), (9, 2160030), (10, 1944027), (15, 1296018), (18, 1080015), (27, 720010), (30, 648009), (45, 432006), (54, 360005), (89, 218430), (90, 216003), (135, 144002), (178, 109215), (267, 72810), (270, 72001), (445, 43686), (534, 36405), (801, 24270), (809, 24030), (890, 21843), (1335, 14562), (1602, 12135), (1618, 12015), (2403, 8090), (2427, 8010), (2670, 7281), (4005, 4854), (4045, 4806)]