19676820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 59222016

約数和(自身を除く): 39545196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 101, 102, 170, 191, 202, 204, 255, 303, 340, 382, 404, 505, 510, 573, 606, 764, 955, 1010, 1020, 1146, 1212, 1515, 1717, 1910, 2020, 2292, 2865, 3030, 3247, 3434, 3820, 5151, 5730, 6060, 6494, 6868, 8585, 9741, 10302, 11460, 12988, 16235, 17170, 19291, 19482, 20604, 25755, 32470, 34340, 38582, 38964, 48705, 51510, 57873, 64940, 77164, 96455, 97410, 103020, 115746, 192910, 194820, 231492, 289365, 327947, 385820, 578730, 655894, 983841, 1157460, 1311788, 1639735, 1967682, 3279470, 3935364, 4919205, 6558940, 9838410, 19676820]

約数ペア:

[(1, 19676820), (2, 9838410), (3, 6558940), (4, 4919205), (5, 3935364), (6, 3279470), (10, 1967682), (12, 1639735), (15, 1311788), (17, 1157460), (20, 983841), (30, 655894), (34, 578730), (51, 385820), (60, 327947), (68, 289365), (85, 231492), (101, 194820), (102, 192910), (170, 115746), (191, 103020), (202, 97410), (204, 96455), (255, 77164), (303, 64940), (340, 57873), (382, 51510), (404, 48705), (505, 38964), (510, 38582), (573, 34340), (606, 32470), (764, 25755), (955, 20604), (1010, 19482), (1020, 19291), (1146, 17170), (1212, 16235), (1515, 12988), (1717, 11460), (1910, 10302), (2020, 9741), (2292, 8585), (2865, 6868), (3030, 6494), (3247, 6060), (3434, 5730), (3820, 5151)]