19180420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8059}}^1$

素因数の和:8092

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 29566460

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8059, 16118, 32236, 40295, 56413, 80590, 112826, 137003, 161180, 225652, 274006, 282065, 548012, 564130, 685015, 959021, 1128260, 1370030, 1918042, 2740060, 3836084, 4795105, 9590210, 19180420]

約数ペア:

[(1, 19180420), (2, 9590210), (4, 4795105), (5, 3836084), (7, 2740060), (10, 1918042), (14, 1370030), (17, 1128260), (20, 959021), (28, 685015), (34, 564130), (35, 548012), (68, 282065), (70, 274006), (85, 225652), (119, 161180), (140, 137003), (170, 112826), (238, 80590), (340, 56413), (476, 40295), (595, 32236), (1190, 16118), (2380, 8059)]