19313525

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 30474240

約数和(自身を除く): 11160715

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 79, 127, 175, 275, 385, 395, 553, 635, 869, 889, 1397, 1925, 1975, 2765, 3175, 4345, 4445, 6083, 6985, 9779, 10033, 13825, 21725, 22225, 30415, 34925, 48895, 50165, 70231, 110363, 152075, 244475, 250825, 351155, 551815, 772541, 1755775, 2759075, 3862705, 19313525]

約数ペア:

[(1, 19313525), (5, 3862705), (7, 2759075), (11, 1755775), (25, 772541), (35, 551815), (55, 351155), (77, 250825), (79, 244475), (127, 152075), (175, 110363), (275, 70231), (385, 50165), (395, 48895), (553, 34925), (635, 30415), (869, 22225), (889, 21725), (1397, 13825), (1925, 10033), (1975, 9779), (2765, 6985), (3175, 6083), (4345, 4445)]