18715572

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 51125256

約数和(自身を除く): 32409684

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 53, 68, 102, 106, 153, 159, 204, 212, 306, 318, 477, 577, 612, 636, 901, 954, 1154, 1731, 1802, 1908, 2308, 2703, 3462, 3604, 5193, 5406, 6924, 8109, 9809, 10386, 10812, 16218, 19618, 20772, 29427, 30581, 32436, 39236, 58854, 61162, 88281, 91743, 117708, 122324, 176562, 183486, 275229, 353124, 366972, 519877, 550458, 1039754, 1100916, 1559631, 2079508, 3119262, 4678893, 6238524, 9357786, 18715572]

約数ペア:

[(1, 18715572), (2, 9357786), (3, 6238524), (4, 4678893), (6, 3119262), (9, 2079508), (12, 1559631), (17, 1100916), (18, 1039754), (34, 550458), (36, 519877), (51, 366972), (53, 353124), (68, 275229), (102, 183486), (106, 176562), (153, 122324), (159, 117708), (204, 91743), (212, 88281), (306, 61162), (318, 58854), (477, 39236), (577, 32436), (612, 30581), (636, 29427), (901, 20772), (954, 19618), (1154, 16218), (1731, 10812), (1802, 10386), (1908, 9809), (2308, 8109), (2703, 6924), (3462, 5406), (3604, 5193)]