18268880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 160

約数和(自身を含む): 54639360

約数和(自身を除く): 36370480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 80, 85, 95, 101, 112, 119, 133, 136, 140, 152, 170, 190, 202, 238, 266, 272, 280, 304, 323, 340, 380, 404, 476, 505, 532, 560, 595, 646, 665, 680, 707, 760, 808, 952, 1010, 1064, 1190, 1292, 1330, 1360, 1414, 1520, 1615, 1616, 1717, 1904, 1919, 2020, 2128, 2261, 2380, 2584, 2660, 2828, 3230, 3434, 3535, 3838, 4040, 4522, 4760, 5168, 5320, 5656, 6460, 6868, 7070, 7676, 8080, 8585, 9044, 9520, 9595, 10640, 11305, 11312, 12019, 12920, 13433, 13736, 14140, 15352, 17170, 18088, 19190, 22610, 24038, 25840, 26866, 27472, 28280, 30704, 32623, 34340, 36176, 38380, 45220, 48076, 53732, 56560, 60095, 65246, 67165, 68680, 76760, 90440, 96152, 107464, 120190, 130492, 134330, 137360, 153520, 163115, 180880, 192304, 214928, 228361, 240380, 260984, 268660, 326230, 456722, 480760, 521968, 537320, 652460, 913444, 961520, 1074640, 1141805, 1304920, 1826888, 2283610, 2609840, 3653776, 4567220, 9134440, 18268880]

約数ペア:

[(1, 18268880), (2, 9134440), (4, 4567220), (5, 3653776), (7, 2609840), (8, 2283610), (10, 1826888), (14, 1304920), (16, 1141805), (17, 1074640), (19, 961520), (20, 913444), (28, 652460), (34, 537320), (35, 521968), (38, 480760), (40, 456722), (56, 326230), (68, 268660), (70, 260984), (76, 240380), (80, 228361), (85, 214928), (95, 192304), (101, 180880), (112, 163115), (119, 153520), (133, 137360), (136, 134330), (140, 130492), (152, 120190), (170, 107464), (190, 96152), (202, 90440), (238, 76760), (266, 68680), (272, 67165), (280, 65246), (304, 60095), (323, 56560), (340, 53732), (380, 48076), (404, 45220), (476, 38380), (505, 36176), (532, 34340), (560, 32623), (595, 30704), (646, 28280), (665, 27472), (680, 26866), (707, 25840), (760, 24038), (808, 22610), (952, 19190), (1010, 18088), (1064, 17170), (1190, 15352), (1292, 14140), (1330, 13736), (1360, 13433), (1414, 12920), (1520, 12019), (1615, 11312), (1616, 11305), (1717, 10640), (1904, 9595), (1919, 9520), (2020, 9044), (2128, 8585), (2261, 8080), (2380, 7676), (2584, 7070), (2660, 6868), (2828, 6460), (3230, 5656), (3434, 5320), (3535, 5168), (3838, 4760), (4040, 4522)]