19837980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2161}}^1$

素因数の和:2196

約数の個数: 96

約数和(自身を含む): 65378880

約数和(自身を除く): 45540900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2161, 2295, 3060, 4322, 4590, 6483, 8644, 9180, 10805, 12966, 19449, 21610, 25932, 32415, 36737, 38898, 43220, 58347, 64830, 73474, 77796, 97245, 110211, 116694, 129660, 146948, 183685, 194490, 220422, 233388, 291735, 330633, 367370, 388980, 440844, 551055, 583470, 661266, 734740, 991899, 1102110, 1166940, 1322532, 1653165, 1983798, 2204220, 3306330, 3967596, 4959495, 6612660, 9918990, 19837980]

約数ペア:

[(1, 19837980), (2, 9918990), (3, 6612660), (4, 4959495), (5, 3967596), (6, 3306330), (9, 2204220), (10, 1983798), (12, 1653165), (15, 1322532), (17, 1166940), (18, 1102110), (20, 991899), (27, 734740), (30, 661266), (34, 583470), (36, 551055), (45, 440844), (51, 388980), (54, 367370), (60, 330633), (68, 291735), (85, 233388), (90, 220422), (102, 194490), (108, 183685), (135, 146948), (153, 129660), (170, 116694), (180, 110211), (204, 97245), (255, 77796), (270, 73474), (306, 64830), (340, 58347), (459, 43220), (510, 38898), (540, 36737), (612, 32415), (765, 25932), (918, 21610), (1020, 19449), (1530, 12966), (1836, 10805), (2161, 9180), (2295, 8644), (3060, 6483), (4322, 4590)]