19786702

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 33149088

約数和(自身を除く): 13362386

約数列:

[1, 2, 13, 26, 53, 83, 106, 166, 173, 346, 689, 1079, 1378, 2158, 2249, 4399, 4498, 8798, 9169, 14359, 18338, 28718, 57187, 114374, 119197, 186667, 238394, 373334, 761027, 1522054, 9893351, 19786702]

約数ペア:

[(1, 19786702), (2, 9893351), (13, 1522054), (26, 761027), (53, 373334), (83, 238394), (106, 186667), (166, 119197), (173, 114374), (346, 57187), (689, 28718), (1079, 18338), (1378, 14359), (2158, 9169), (2249, 8798), (4399, 4498)]