18802980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14923}}^1$

素因数の和:14945

約数の個数: 72

約数和(自身を含む): 65188032

約数和(自身を除く): 46385052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14923, 29846, 44769, 59692, 74615, 89538, 104461, 134307, 149230, 179076, 208922, 223845, 268614, 298460, 313383, 417844, 447690, 522305, 537228, 626766, 671535, 895380, 940149, 1044610, 1253532, 1343070, 1566915, 1880298, 2089220, 2686140, 3133830, 3760596, 4700745, 6267660, 9401490, 18802980]

約数ペア:

[(1, 18802980), (2, 9401490), (3, 6267660), (4, 4700745), (5, 3760596), (6, 3133830), (7, 2686140), (9, 2089220), (10, 1880298), (12, 1566915), (14, 1343070), (15, 1253532), (18, 1044610), (20, 940149), (21, 895380), (28, 671535), (30, 626766), (35, 537228), (36, 522305), (42, 447690), (45, 417844), (60, 313383), (63, 298460), (70, 268614), (84, 223845), (90, 208922), (105, 179076), (126, 149230), (140, 134307), (180, 104461), (210, 89538), (252, 74615), (315, 59692), (420, 44769), (630, 29846), (1260, 14923)]