18631305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 42531840

約数和(自身を除く): 23900535

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 33, 35, 45, 55, 57, 63, 77, 95, 99, 105, 133, 165, 171, 209, 231, 283, 285, 315, 385, 399, 495, 627, 665, 693, 849, 855, 1045, 1155, 1197, 1415, 1463, 1881, 1981, 1995, 2547, 3113, 3135, 3465, 4245, 4389, 5377, 5943, 5985, 7315, 9339, 9405, 9905, 12735, 13167, 15565, 16131, 17829, 21791, 21945, 26885, 28017, 29715, 37639, 46695, 48393, 59147, 65373, 65835, 80655, 89145, 108955, 112917, 140085, 177441, 188195, 196119, 241965, 295735, 326865, 338751, 414029, 532323, 564585, 887205, 980595, 1242087, 1693755, 2070145, 2661615, 3726261, 6210435, 18631305]

約数ペア:

[(1, 18631305), (3, 6210435), (5, 3726261), (7, 2661615), (9, 2070145), (11, 1693755), (15, 1242087), (19, 980595), (21, 887205), (33, 564585), (35, 532323), (45, 414029), (55, 338751), (57, 326865), (63, 295735), (77, 241965), (95, 196119), (99, 188195), (105, 177441), (133, 140085), (165, 112917), (171, 108955), (209, 89145), (231, 80655), (283, 65835), (285, 65373), (315, 59147), (385, 48393), (399, 46695), (495, 37639), (627, 29715), (665, 28017), (693, 26885), (849, 21945), (855, 21791), (1045, 17829), (1155, 16131), (1197, 15565), (1415, 13167), (1463, 12735), (1881, 9905), (1981, 9405), (1995, 9339), (2547, 7315), (3113, 5985), (3135, 5943), (3465, 5377), (4245, 4389)]