18996811245

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1079671}}^1$

素因数の和:1079722

約数の個数: 48

約数和(自身を含む): 36380627712

約数和(自身を除く): 17383816467

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1173, 1955, 3519, 5865, 17595, 1079671, 3239013, 5398355, 9717039, 16195065, 18354407, 24832433, 48585195, 55063221, 74497299, 91772035, 124162165, 165189663, 223491897, 275316105, 372486495, 422151361, 825948315, 1117459485, 1266454083, 2110756805, 3799362249, 6332270415, 18996811245]

約数ペア:

[(1, 18996811245), (3, 6332270415), (5, 3799362249), (9, 2110756805), (15, 1266454083), (17, 1117459485), (23, 825948315), (45, 422151361), (51, 372486495), (69, 275316105), (85, 223491897), (115, 165189663), (153, 124162165), (207, 91772035), (255, 74497299), (345, 55063221), (391, 48585195), (765, 24832433), (1035, 18354407), (1173, 16195065), (1955, 9717039), (3519, 5398355), (5865, 3239013), (17595, 1079671)]