19065620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 49545216

約数和(自身を除く): 30479596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 191, 217, 230, 310, 322, 382, 434, 460, 620, 644, 713, 764, 805, 868, 955, 1085, 1337, 1426, 1610, 1910, 2170, 2674, 2852, 3220, 3565, 3820, 4340, 4393, 4991, 5348, 5921, 6685, 7130, 8786, 9982, 11842, 13370, 14260, 17572, 19964, 21965, 23684, 24955, 26740, 29605, 30751, 41447, 43930, 49910, 59210, 61502, 82894, 87860, 99820, 118420, 123004, 136183, 153755, 165788, 207235, 272366, 307510, 414470, 544732, 615020, 680915, 828940, 953281, 1361830, 1906562, 2723660, 3813124, 4766405, 9532810, 19065620]

約数ペア:

[(1, 19065620), (2, 9532810), (4, 4766405), (5, 3813124), (7, 2723660), (10, 1906562), (14, 1361830), (20, 953281), (23, 828940), (28, 680915), (31, 615020), (35, 544732), (46, 414470), (62, 307510), (70, 272366), (92, 207235), (115, 165788), (124, 153755), (140, 136183), (155, 123004), (161, 118420), (191, 99820), (217, 87860), (230, 82894), (310, 61502), (322, 59210), (382, 49910), (434, 43930), (460, 41447), (620, 30751), (644, 29605), (713, 26740), (764, 24955), (805, 23684), (868, 21965), (955, 19964), (1085, 17572), (1337, 14260), (1426, 13370), (1610, 11842), (1910, 9982), (2170, 8786), (2674, 7130), (2852, 6685), (3220, 5921), (3565, 5348), (3820, 4991), (4340, 4393)]