16818340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 44964864

約数和(自身を除く): 28146524

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 67, 70, 77, 110, 134, 140, 154, 163, 220, 268, 308, 326, 335, 385, 469, 652, 670, 737, 770, 815, 938, 1141, 1340, 1474, 1540, 1630, 1793, 1876, 2282, 2345, 2948, 3260, 3586, 3685, 4564, 4690, 5159, 5705, 7172, 7370, 8965, 9380, 10318, 10921, 11410, 12551, 14740, 17930, 20636, 21842, 22820, 25102, 25795, 35860, 43684, 50204, 51590, 54605, 62755, 76447, 103180, 109210, 120131, 125510, 152894, 218420, 240262, 251020, 305788, 382235, 480524, 600655, 764470, 840917, 1201310, 1528940, 1681834, 2402620, 3363668, 4204585, 8409170, 16818340]

約数ペア:

[(1, 16818340), (2, 8409170), (4, 4204585), (5, 3363668), (7, 2402620), (10, 1681834), (11, 1528940), (14, 1201310), (20, 840917), (22, 764470), (28, 600655), (35, 480524), (44, 382235), (55, 305788), (67, 251020), (70, 240262), (77, 218420), (110, 152894), (134, 125510), (140, 120131), (154, 109210), (163, 103180), (220, 76447), (268, 62755), (308, 54605), (326, 51590), (335, 50204), (385, 43684), (469, 35860), (652, 25795), (670, 25102), (737, 22820), (770, 21842), (815, 20636), (938, 17930), (1141, 14740), (1340, 12551), (1474, 11410), (1540, 10921), (1630, 10318), (1793, 9380), (1876, 8965), (2282, 7370), (2345, 7172), (2948, 5705), (3260, 5159), (3586, 4690), (3685, 4564)]