19265900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 44330496

約数和(自身を除く): 25064596

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 41, 50, 74, 82, 100, 127, 148, 164, 185, 205, 254, 370, 410, 508, 635, 740, 820, 925, 1025, 1270, 1517, 1850, 2050, 2540, 3034, 3175, 3700, 4100, 4699, 5207, 6068, 6350, 7585, 9398, 10414, 12700, 15170, 18796, 20828, 23495, 26035, 30340, 37925, 46990, 52070, 75850, 93980, 104140, 117475, 130175, 151700, 192659, 234950, 260350, 385318, 469900, 520700, 770636, 963295, 1926590, 3853180, 4816475, 9632950, 19265900]

約数ペア:

[(1, 19265900), (2, 9632950), (4, 4816475), (5, 3853180), (10, 1926590), (20, 963295), (25, 770636), (37, 520700), (41, 469900), (50, 385318), (74, 260350), (82, 234950), (100, 192659), (127, 151700), (148, 130175), (164, 117475), (185, 104140), (205, 93980), (254, 75850), (370, 52070), (410, 46990), (508, 37925), (635, 30340), (740, 26035), (820, 23495), (925, 20828), (1025, 18796), (1270, 15170), (1517, 12700), (1850, 10414), (2050, 9398), (2540, 7585), (3034, 6350), (3175, 6068), (3700, 5207), (4100, 4699)]