19703470490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{75611}}^1$

素因数の和:75755

約数の個数: 64

約数和(自身を含む): 40765151232

約数和(自身を除く): 21061680742

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 103, 110, 115, 206, 230, 253, 506, 515, 1030, 1133, 1265, 2266, 2369, 2530, 4738, 5665, 11330, 11845, 23690, 26059, 52118, 75611, 130295, 151222, 260590, 378055, 756110, 831721, 1663442, 1739053, 3478106, 4158605, 7787933, 8317210, 8695265, 15575866, 17390530, 19129583, 38259166, 38939665, 77879330, 85667263, 95647915, 171334526, 179122459, 191295830, 358244918, 428336315, 856672630, 895612295, 1791224590, 1970347049, 3940694098, 9851735245, 19703470490]

約数ペア:

[(1, 19703470490), (2, 9851735245), (5, 3940694098), (10, 1970347049), (11, 1791224590), (22, 895612295), (23, 856672630), (46, 428336315), (55, 358244918), (103, 191295830), (110, 179122459), (115, 171334526), (206, 95647915), (230, 85667263), (253, 77879330), (506, 38939665), (515, 38259166), (1030, 19129583), (1133, 17390530), (1265, 15575866), (2266, 8695265), (2369, 8317210), (2530, 7787933), (4738, 4158605), (5665, 3478106), (11330, 1739053), (11845, 1663442), (23690, 831721), (26059, 756110), (52118, 378055), (75611, 260590), (130295, 151222)]