19457040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81071}}^1$

素因数の和:81087

約数の個数: 40

約数和(自身を含む): 60317568

約数和(自身を除く): 40860528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81071, 162142, 243213, 324284, 405355, 486426, 648568, 810710, 972852, 1216065, 1297136, 1621420, 1945704, 2432130, 3242840, 3891408, 4864260, 6485680, 9728520, 19457040]

約数ペア:

[(1, 19457040), (2, 9728520), (3, 6485680), (4, 4864260), (5, 3891408), (6, 3242840), (8, 2432130), (10, 1945704), (12, 1621420), (15, 1297136), (16, 1216065), (20, 972852), (24, 810710), (30, 648568), (40, 486426), (48, 405355), (60, 324284), (80, 243213), (120, 162142), (240, 81071)]