19795140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6469}}^1$

素因数の和:6501

約数の個数: 72

約数和(自身を含む): 63587160

約数和(自身を除く): 43792020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6469, 12938, 19407, 25876, 32345, 38814, 58221, 64690, 77628, 97035, 109973, 116442, 129380, 194070, 219946, 232884, 291105, 329919, 388140, 439892, 549865, 582210, 659838, 989757, 1099730, 1164420, 1319676, 1649595, 1979514, 2199460, 3299190, 3959028, 4948785, 6598380, 9897570, 19795140]

約数ペア:

[(1, 19795140), (2, 9897570), (3, 6598380), (4, 4948785), (5, 3959028), (6, 3299190), (9, 2199460), (10, 1979514), (12, 1649595), (15, 1319676), (17, 1164420), (18, 1099730), (20, 989757), (30, 659838), (34, 582210), (36, 549865), (45, 439892), (51, 388140), (60, 329919), (68, 291105), (85, 232884), (90, 219946), (102, 194070), (153, 129380), (170, 116442), (180, 109973), (204, 97035), (255, 77628), (306, 64690), (340, 58221), (510, 38814), (612, 32345), (765, 25876), (1020, 19407), (1530, 12938), (3060, 6469)]