19443460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2693}}^1$

素因数の和:2740

約数の個数: 36

約数和(自身を含む): 43109388

約数和(自身を除く): 23665928

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2693, 3610, 5386, 7220, 10772, 13465, 26930, 51167, 53860, 102334, 204668, 255835, 511670, 972173, 1023340, 1944346, 3888692, 4860865, 9721730, 19443460]

約数ペア:

[(1, 19443460), (2, 9721730), (4, 4860865), (5, 3888692), (10, 1944346), (19, 1023340), (20, 972173), (38, 511670), (76, 255835), (95, 204668), (190, 102334), (361, 53860), (380, 51167), (722, 26930), (1444, 13465), (1805, 10772), (2693, 7220), (3610, 5386)]