19291090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 128

約数和(自身を含む): 47900160

約数和(自身を除く): 28609070

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 29, 34, 35, 43, 58, 65, 70, 85, 86, 91, 119, 130, 145, 170, 182, 203, 215, 221, 238, 290, 301, 377, 406, 430, 442, 455, 493, 559, 595, 602, 731, 754, 910, 986, 1015, 1105, 1118, 1190, 1247, 1462, 1505, 1547, 1885, 2030, 2210, 2465, 2494, 2639, 2795, 3010, 3094, 3451, 3655, 3770, 3913, 4930, 5117, 5278, 5590, 6235, 6409, 6902, 7310, 7735, 7826, 8729, 9503, 10234, 12470, 12818, 13195, 15470, 16211, 17255, 17458, 19006, 19565, 21199, 25585, 26390, 32045, 32422, 34510, 39130, 42398, 43645, 44863, 47515, 51170, 64090, 66521, 81055, 87290, 89726, 95030, 105995, 113477, 133042, 148393, 162110, 211990, 224315, 226954, 275587, 296786, 332605, 448630, 551174, 567385, 665210, 741965, 1134770, 1377935, 1483930, 1929109, 2755870, 3858218, 9645545, 19291090]

約数ペア:

[(1, 19291090), (2, 9645545), (5, 3858218), (7, 2755870), (10, 1929109), (13, 1483930), (14, 1377935), (17, 1134770), (26, 741965), (29, 665210), (34, 567385), (35, 551174), (43, 448630), (58, 332605), (65, 296786), (70, 275587), (85, 226954), (86, 224315), (91, 211990), (119, 162110), (130, 148393), (145, 133042), (170, 113477), (182, 105995), (203, 95030), (215, 89726), (221, 87290), (238, 81055), (290, 66521), (301, 64090), (377, 51170), (406, 47515), (430, 44863), (442, 43645), (455, 42398), (493, 39130), (559, 34510), (595, 32422), (602, 32045), (731, 26390), (754, 25585), (910, 21199), (986, 19565), (1015, 19006), (1105, 17458), (1118, 17255), (1190, 16211), (1247, 15470), (1462, 13195), (1505, 12818), (1547, 12470), (1885, 10234), (2030, 9503), (2210, 8729), (2465, 7826), (2494, 7735), (2639, 7310), (2795, 6902), (3010, 6409), (3094, 6235), (3451, 5590), (3655, 5278), (3770, 5117), (3913, 4930)]