19414340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 48988800

約数和(自身を除く): 29574460

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 29, 34, 44, 55, 58, 68, 85, 110, 116, 145, 170, 179, 187, 220, 290, 319, 340, 358, 374, 493, 580, 638, 716, 748, 895, 935, 986, 1276, 1595, 1790, 1870, 1969, 1972, 2465, 3043, 3190, 3580, 3740, 3938, 4930, 5191, 5423, 6086, 6380, 7876, 9845, 9860, 10382, 10846, 12172, 15215, 19690, 20764, 21692, 25955, 27115, 30430, 33473, 39380, 51910, 54230, 57101, 60860, 66946, 88247, 103820, 108460, 114202, 133892, 167365, 176494, 228404, 285505, 334730, 352988, 441235, 571010, 669460, 882470, 970717, 1142020, 1764940, 1941434, 3882868, 4853585, 9707170, 19414340]

約数ペア:

[(1, 19414340), (2, 9707170), (4, 4853585), (5, 3882868), (10, 1941434), (11, 1764940), (17, 1142020), (20, 970717), (22, 882470), (29, 669460), (34, 571010), (44, 441235), (55, 352988), (58, 334730), (68, 285505), (85, 228404), (110, 176494), (116, 167365), (145, 133892), (170, 114202), (179, 108460), (187, 103820), (220, 88247), (290, 66946), (319, 60860), (340, 57101), (358, 54230), (374, 51910), (493, 39380), (580, 33473), (638, 30430), (716, 27115), (748, 25955), (895, 21692), (935, 20764), (986, 19690), (1276, 15215), (1595, 12172), (1790, 10846), (1870, 10382), (1969, 9860), (1972, 9845), (2465, 7876), (3043, 6380), (3190, 6086), (3580, 5423), (3740, 5191), (3938, 4930)]