19324340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1423}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 46889472

約数和(自身を除く): 27565132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1423, 1940, 2716, 2846, 3395, 5692, 6790, 7115, 9961, 13580, 14230, 19922, 28460, 39844, 49805, 99610, 138031, 199220, 276062, 552124, 690155, 966217, 1380310, 1932434, 2760620, 3864868, 4831085, 9662170, 19324340]

約数ペア:

[(1, 19324340), (2, 9662170), (4, 4831085), (5, 3864868), (7, 2760620), (10, 1932434), (14, 1380310), (20, 966217), (28, 690155), (35, 552124), (70, 276062), (97, 199220), (140, 138031), (194, 99610), (388, 49805), (485, 39844), (679, 28460), (970, 19922), (1358, 14230), (1423, 13580), (1940, 9961), (2716, 7115), (2846, 6790), (3395, 5692)]