19471040

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:945

約数の個数: 56

約数和(自身を含む): 47073312

約数和(自身を除く): 27602272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 857, 1136, 1420, 1714, 2272, 2840, 3428, 4285, 4544, 5680, 6856, 8570, 11360, 13712, 17140, 22720, 27424, 34280, 54848, 60847, 68560, 121694, 137120, 243388, 274240, 304235, 486776, 608470, 973552, 1216940, 1947104, 2433880, 3894208, 4867760, 9735520, 19471040]

約数ペア:

[(1, 19471040), (2, 9735520), (4, 4867760), (5, 3894208), (8, 2433880), (10, 1947104), (16, 1216940), (20, 973552), (32, 608470), (40, 486776), (64, 304235), (71, 274240), (80, 243388), (142, 137120), (160, 121694), (284, 68560), (320, 60847), (355, 54848), (568, 34280), (710, 27424), (857, 22720), (1136, 17140), (1420, 13712), (1714, 11360), (2272, 8570), (2840, 6856), (3428, 5680), (4285, 4544)]