19843416

素因数分解:

$2^3\times 3^2\times {\mathrm{197}}^1\times {\mathrm{1399}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 54054000

約数和(自身を除く): 34210584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 197, 394, 591, 788, 1182, 1399, 1576, 1773, 2364, 2798, 3546, 4197, 4728, 5596, 7092, 8394, 11192, 12591, 14184, 16788, 25182, 33576, 50364, 100728, 275603, 551206, 826809, 1102412, 1653618, 2204824, 2480427, 3307236, 4960854, 6614472, 9921708, 19843416]

約数ペア:

[(1, 19843416), (2, 9921708), (3, 6614472), (4, 4960854), (6, 3307236), (8, 2480427), (9, 2204824), (12, 1653618), (18, 1102412), (24, 826809), (36, 551206), (72, 275603), (197, 100728), (394, 50364), (591, 33576), (788, 25182), (1182, 16788), (1399, 14184), (1576, 12591), (1773, 11192), (2364, 8394), (2798, 7092), (3546, 5596), (4197, 4728)]