19261850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 72

約数和(自身を含む): 40199808

約数和(自身を除く): 20937958

約数列:

[1, 2, 5, 10, 17, 25, 31, 34, 43, 50, 62, 85, 86, 155, 170, 215, 289, 310, 425, 430, 527, 578, 731, 775, 850, 1054, 1075, 1333, 1445, 1462, 1550, 2150, 2635, 2666, 2890, 3655, 5270, 6665, 7225, 7310, 8959, 12427, 13175, 13330, 14450, 17918, 18275, 22661, 24854, 26350, 33325, 36550, 44795, 45322, 62135, 66650, 89590, 113305, 124270, 223975, 226610, 310675, 385237, 447950, 566525, 621350, 770474, 1133050, 1926185, 3852370, 9630925, 19261850]

約数ペア:

[(1, 19261850), (2, 9630925), (5, 3852370), (10, 1926185), (17, 1133050), (25, 770474), (31, 621350), (34, 566525), (43, 447950), (50, 385237), (62, 310675), (85, 226610), (86, 223975), (155, 124270), (170, 113305), (215, 89590), (289, 66650), (310, 62135), (425, 45322), (430, 44795), (527, 36550), (578, 33325), (731, 26350), (775, 24854), (850, 22661), (1054, 18275), (1075, 17918), (1333, 14450), (1445, 13330), (1462, 13175), (1550, 12427), (2150, 8959), (2635, 7310), (2666, 7225), (2890, 6665), (3655, 5270)]