18728736

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:418

約数の個数: 96

約数和(自身を含む): 54331200

約数和(自身を除く): 35602464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 43, 48, 52, 78, 86, 96, 104, 129, 156, 172, 208, 258, 312, 344, 349, 416, 516, 559, 624, 688, 698, 1032, 1047, 1118, 1248, 1376, 1396, 1677, 2064, 2094, 2236, 2792, 3354, 4128, 4188, 4472, 4537, 5584, 6708, 8376, 8944, 9074, 11168, 13416, 13611, 15007, 16752, 17888, 18148, 26832, 27222, 30014, 33504, 36296, 45021, 53664, 54444, 60028, 72592, 90042, 108888, 120056, 145184, 180084, 195091, 217776, 240112, 360168, 390182, 435552, 480224, 585273, 720336, 780364, 1170546, 1440672, 1560728, 2341092, 3121456, 4682184, 6242912, 9364368, 18728736]

約数ペア:

[(1, 18728736), (2, 9364368), (3, 6242912), (4, 4682184), (6, 3121456), (8, 2341092), (12, 1560728), (13, 1440672), (16, 1170546), (24, 780364), (26, 720336), (32, 585273), (39, 480224), (43, 435552), (48, 390182), (52, 360168), (78, 240112), (86, 217776), (96, 195091), (104, 180084), (129, 145184), (156, 120056), (172, 108888), (208, 90042), (258, 72592), (312, 60028), (344, 54444), (349, 53664), (416, 45021), (516, 36296), (559, 33504), (624, 30014), (688, 27222), (698, 26832), (1032, 18148), (1047, 17888), (1118, 16752), (1248, 15007), (1376, 13611), (1396, 13416), (1677, 11168), (2064, 9074), (2094, 8944), (2236, 8376), (2792, 6708), (3354, 5584), (4128, 4537), (4188, 4472)]