18960786

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 72

約数和(自身を含む): 46590336

約数和(自身を除く): 27629550

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 169, 207, 234, 271, 299, 338, 414, 507, 542, 598, 813, 897, 1014, 1521, 1626, 1794, 2439, 2691, 3042, 3523, 3887, 4878, 5382, 6233, 7046, 7774, 10569, 11661, 12466, 18699, 21138, 23322, 31707, 34983, 37398, 45799, 56097, 63414, 69966, 81029, 91598, 112194, 137397, 162058, 243087, 274794, 412191, 486174, 729261, 824382, 1053377, 1458522, 2106754, 3160131, 6320262, 9480393, 18960786]

約数ペア:

[(1, 18960786), (2, 9480393), (3, 6320262), (6, 3160131), (9, 2106754), (13, 1458522), (18, 1053377), (23, 824382), (26, 729261), (39, 486174), (46, 412191), (69, 274794), (78, 243087), (117, 162058), (138, 137397), (169, 112194), (207, 91598), (234, 81029), (271, 69966), (299, 63414), (338, 56097), (414, 45799), (507, 37398), (542, 34983), (598, 31707), (813, 23322), (897, 21138), (1014, 18699), (1521, 12466), (1626, 11661), (1794, 10569), (2439, 7774), (2691, 7046), (3042, 6233), (3523, 5382), (3887, 4878)]