19784730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 56700864

約数和(自身を除く): 36916134

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 49, 70, 86, 98, 105, 129, 147, 210, 215, 245, 258, 294, 301, 313, 430, 490, 602, 626, 645, 735, 903, 939, 1290, 1470, 1505, 1565, 1806, 1878, 2107, 2191, 3010, 3130, 4214, 4382, 4515, 4695, 6321, 6573, 9030, 9390, 10535, 10955, 12642, 13146, 13459, 15337, 21070, 21910, 26918, 30674, 31605, 32865, 40377, 46011, 63210, 65730, 67295, 76685, 80754, 92022, 94213, 134590, 153370, 188426, 201885, 230055, 282639, 403770, 460110, 471065, 565278, 659491, 942130, 1318982, 1413195, 1978473, 2826390, 3297455, 3956946, 6594910, 9892365, 19784730]

約数ペア:

[(1, 19784730), (2, 9892365), (3, 6594910), (5, 3956946), (6, 3297455), (7, 2826390), (10, 1978473), (14, 1413195), (15, 1318982), (21, 942130), (30, 659491), (35, 565278), (42, 471065), (43, 460110), (49, 403770), (70, 282639), (86, 230055), (98, 201885), (105, 188426), (129, 153370), (147, 134590), (210, 94213), (215, 92022), (245, 80754), (258, 76685), (294, 67295), (301, 65730), (313, 63210), (430, 46011), (490, 40377), (602, 32865), (626, 31605), (645, 30674), (735, 26918), (903, 21910), (939, 21070), (1290, 15337), (1470, 13459), (1505, 13146), (1565, 12642), (1806, 10955), (1878, 10535), (2107, 9390), (2191, 9030), (3010, 6573), (3130, 6321), (4214, 4695), (4382, 4515)]