17972220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6113}}^1$

素因数の和:6139

約数の個数: 72

約数和(自身を含む): 58547664

約数和(自身を除く): 40575444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6113, 12226, 18339, 24452, 30565, 36678, 42791, 61130, 73356, 85582, 91695, 122260, 128373, 171164, 183390, 213955, 256746, 299537, 366780, 427910, 513492, 599074, 641865, 855820, 898611, 1198148, 1283730, 1497685, 1797222, 2567460, 2995370, 3594444, 4493055, 5990740, 8986110, 17972220]

約数ペア:

[(1, 17972220), (2, 8986110), (3, 5990740), (4, 4493055), (5, 3594444), (6, 2995370), (7, 2567460), (10, 1797222), (12, 1497685), (14, 1283730), (15, 1198148), (20, 898611), (21, 855820), (28, 641865), (30, 599074), (35, 513492), (42, 427910), (49, 366780), (60, 299537), (70, 256746), (84, 213955), (98, 183390), (105, 171164), (140, 128373), (147, 122260), (196, 91695), (210, 85582), (245, 73356), (294, 61130), (420, 42791), (490, 36678), (588, 30565), (735, 24452), (980, 18339), (1470, 12226), (2940, 6113)]