18587910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 53084160

約数和(自身を除く): 34496250

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 31, 33, 46, 55, 62, 66, 69, 79, 93, 110, 115, 138, 155, 158, 165, 186, 230, 237, 253, 310, 330, 341, 345, 395, 465, 474, 506, 682, 690, 713, 759, 790, 869, 930, 1023, 1185, 1265, 1426, 1518, 1705, 1738, 1817, 2046, 2139, 2370, 2449, 2530, 2607, 3410, 3565, 3634, 3795, 4278, 4345, 4898, 5115, 5214, 5451, 7130, 7347, 7590, 7843, 8690, 9085, 10230, 10695, 10902, 12245, 13035, 14694, 15686, 18170, 19987, 21390, 23529, 24490, 26070, 26939, 27255, 36735, 39215, 39974, 47058, 53878, 54510, 56327, 59961, 73470, 78430, 80817, 99935, 112654, 117645, 119922, 134695, 161634, 168981, 199870, 235290, 269390, 281635, 299805, 337962, 404085, 563270, 599610, 619597, 808170, 844905, 1239194, 1689810, 1858791, 3097985, 3717582, 6195970, 9293955, 18587910]

約数ペア:

[(1, 18587910), (2, 9293955), (3, 6195970), (5, 3717582), (6, 3097985), (10, 1858791), (11, 1689810), (15, 1239194), (22, 844905), (23, 808170), (30, 619597), (31, 599610), (33, 563270), (46, 404085), (55, 337962), (62, 299805), (66, 281635), (69, 269390), (79, 235290), (93, 199870), (110, 168981), (115, 161634), (138, 134695), (155, 119922), (158, 117645), (165, 112654), (186, 99935), (230, 80817), (237, 78430), (253, 73470), (310, 59961), (330, 56327), (341, 54510), (345, 53878), (395, 47058), (465, 39974), (474, 39215), (506, 36735), (682, 27255), (690, 26939), (713, 26070), (759, 24490), (790, 23529), (869, 21390), (930, 19987), (1023, 18170), (1185, 15686), (1265, 14694), (1426, 13035), (1518, 12245), (1705, 10902), (1738, 10695), (1817, 10230), (2046, 9085), (2139, 8690), (2370, 7843), (2449, 7590), (2530, 7347), (2607, 7130), (3410, 5451), (3565, 5214), (3634, 5115), (3795, 4898), (4278, 4345)]