19137580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 54464256

約数和(自身を除く): 35326676

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 43, 44, 55, 68, 70, 77, 85, 86, 110, 119, 140, 154, 170, 172, 187, 215, 220, 238, 289, 301, 308, 340, 374, 385, 430, 473, 476, 578, 595, 602, 731, 748, 770, 860, 935, 946, 1156, 1190, 1204, 1309, 1445, 1462, 1505, 1540, 1870, 1892, 2023, 2365, 2380, 2618, 2890, 2924, 3010, 3179, 3311, 3655, 3740, 4046, 4730, 5117, 5236, 5780, 6020, 6358, 6545, 6622, 7310, 8041, 8092, 9460, 10115, 10234, 12427, 12716, 13090, 13244, 14620, 15895, 16082, 16555, 20230, 20468, 22253, 24854, 25585, 26180, 31790, 32164, 33110, 40205, 40460, 44506, 49708, 51170, 56287, 62135, 63580, 66220, 80410, 86989, 89012, 102340, 111265, 112574, 124270, 136697, 160820, 173978, 222530, 225148, 248540, 273394, 281435, 347956, 434945, 445060, 546788, 562870, 683485, 869890, 956879, 1125740, 1366970, 1739780, 1913758, 2733940, 3827516, 4784395, 9568790, 19137580]

約数ペア:

[(1, 19137580), (2, 9568790), (4, 4784395), (5, 3827516), (7, 2733940), (10, 1913758), (11, 1739780), (14, 1366970), (17, 1125740), (20, 956879), (22, 869890), (28, 683485), (34, 562870), (35, 546788), (43, 445060), (44, 434945), (55, 347956), (68, 281435), (70, 273394), (77, 248540), (85, 225148), (86, 222530), (110, 173978), (119, 160820), (140, 136697), (154, 124270), (170, 112574), (172, 111265), (187, 102340), (215, 89012), (220, 86989), (238, 80410), (289, 66220), (301, 63580), (308, 62135), (340, 56287), (374, 51170), (385, 49708), (430, 44506), (473, 40460), (476, 40205), (578, 33110), (595, 32164), (602, 31790), (731, 26180), (748, 25585), (770, 24854), (860, 22253), (935, 20468), (946, 20230), (1156, 16555), (1190, 16082), (1204, 15895), (1309, 14620), (1445, 13244), (1462, 13090), (1505, 12716), (1540, 12427), (1870, 10234), (1892, 10115), (2023, 9460), (2365, 8092), (2380, 8041), (2618, 7310), (2890, 6622), (2924, 6545), (3010, 6358), (3179, 6020), (3311, 5780), (3655, 5236), (3740, 5117), (4046, 4730)]