17845180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 39836160

約数和(自身を除く): 21990980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 151, 190, 302, 311, 380, 604, 622, 755, 1244, 1510, 1555, 2869, 3020, 3110, 5738, 5909, 6220, 11476, 11818, 14345, 23636, 28690, 29545, 46961, 57380, 59090, 93922, 118180, 187844, 234805, 469610, 892259, 939220, 1784518, 3569036, 4461295, 8922590, 17845180]

約数ペア:

[(1, 17845180), (2, 8922590), (4, 4461295), (5, 3569036), (10, 1784518), (19, 939220), (20, 892259), (38, 469610), (76, 234805), (95, 187844), (151, 118180), (190, 93922), (302, 59090), (311, 57380), (380, 46961), (604, 29545), (622, 28690), (755, 23636), (1244, 14345), (1510, 11818), (1555, 11476), (2869, 6220), (3020, 5909), (3110, 5738)]