19679880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:919

約数の個数: 128

約数和(自身を含む): 68273280

約数和(自身を除く): 48593400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 877, 935, 1020, 1122, 1320, 1496, 1754, 1870, 2040, 2244, 2631, 2805, 3508, 3740, 4385, 4488, 5262, 5610, 7016, 7480, 8770, 9647, 10524, 11220, 13155, 14909, 17540, 19294, 21048, 22440, 26310, 28941, 29818, 35080, 38588, 44727, 48235, 52620, 57882, 59636, 74545, 77176, 89454, 96470, 105240, 115764, 119272, 144705, 149090, 163999, 178908, 192940, 223635, 231528, 289410, 298180, 327998, 357816, 385880, 447270, 491997, 578820, 596360, 655996, 819995, 894540, 983994, 1157640, 1311992, 1639990, 1789080, 1967988, 2459985, 3279980, 3935976, 4919970, 6559960, 9839940, 19679880]

約数ペア:

[(1, 19679880), (2, 9839940), (3, 6559960), (4, 4919970), (5, 3935976), (6, 3279980), (8, 2459985), (10, 1967988), (11, 1789080), (12, 1639990), (15, 1311992), (17, 1157640), (20, 983994), (22, 894540), (24, 819995), (30, 655996), (33, 596360), (34, 578820), (40, 491997), (44, 447270), (51, 385880), (55, 357816), (60, 327998), (66, 298180), (68, 289410), (85, 231528), (88, 223635), (102, 192940), (110, 178908), (120, 163999), (132, 149090), (136, 144705), (165, 119272), (170, 115764), (187, 105240), (204, 96470), (220, 89454), (255, 77176), (264, 74545), (330, 59636), (340, 57882), (374, 52620), (408, 48235), (440, 44727), (510, 38588), (561, 35080), (660, 29818), (680, 28941), (748, 26310), (877, 22440), (935, 21048), (1020, 19294), (1122, 17540), (1320, 14909), (1496, 13155), (1754, 11220), (1870, 10524), (2040, 9647), (2244, 8770), (2631, 7480), (2805, 7016), (3508, 5610), (3740, 5262), (4385, 4488)]