19128550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 43997184

約数和(自身を除く): 24868634

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 41, 43, 50, 62, 70, 82, 86, 155, 175, 205, 215, 217, 287, 301, 310, 350, 410, 430, 434, 574, 602, 775, 1025, 1075, 1085, 1271, 1333, 1435, 1505, 1550, 1763, 2050, 2150, 2170, 2542, 2666, 2870, 3010, 3526, 5425, 6355, 6665, 7175, 7525, 8815, 8897, 9331, 10850, 12341, 12710, 13330, 14350, 15050, 17630, 17794, 18662, 24682, 31775, 33325, 44075, 44485, 46655, 54653, 61705, 63550, 66650, 88150, 88970, 93310, 109306, 123410, 222425, 233275, 273265, 308525, 382571, 444850, 466550, 546530, 617050, 765142, 1366325, 1912855, 2732650, 3825710, 9564275, 19128550]

約数ペア:

[(1, 19128550), (2, 9564275), (5, 3825710), (7, 2732650), (10, 1912855), (14, 1366325), (25, 765142), (31, 617050), (35, 546530), (41, 466550), (43, 444850), (50, 382571), (62, 308525), (70, 273265), (82, 233275), (86, 222425), (155, 123410), (175, 109306), (205, 93310), (215, 88970), (217, 88150), (287, 66650), (301, 63550), (310, 61705), (350, 54653), (410, 46655), (430, 44485), (434, 44075), (574, 33325), (602, 31775), (775, 24682), (1025, 18662), (1075, 17794), (1085, 17630), (1271, 15050), (1333, 14350), (1435, 13330), (1505, 12710), (1550, 12341), (1763, 10850), (2050, 9331), (2150, 8897), (2170, 8815), (2542, 7525), (2666, 7175), (2870, 6665), (3010, 6355), (3526, 5425)]