19942923

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 37094400

約数和(自身を除く): 17151477

約数列:

[1, 3, 7, 11, 13, 21, 29, 33, 39, 77, 87, 91, 143, 203, 229, 231, 273, 319, 377, 429, 609, 687, 957, 1001, 1131, 1603, 2233, 2519, 2639, 2977, 3003, 4147, 4809, 6641, 6699, 7557, 7917, 8931, 12441, 17633, 19923, 20839, 29029, 32747, 46487, 52899, 62517, 73051, 86333, 87087, 98241, 139461, 219153, 229229, 258999, 511357, 604331, 687687, 949663, 1534071, 1812993, 2848989, 6647641, 19942923]

約数ペア:

[(1, 19942923), (3, 6647641), (7, 2848989), (11, 1812993), (13, 1534071), (21, 949663), (29, 687687), (33, 604331), (39, 511357), (77, 258999), (87, 229229), (91, 219153), (143, 139461), (203, 98241), (229, 87087), (231, 86333), (273, 73051), (319, 62517), (377, 52899), (429, 46487), (609, 32747), (687, 29029), (957, 20839), (1001, 19923), (1131, 17633), (1603, 12441), (2233, 8931), (2519, 7917), (2639, 7557), (2977, 6699), (3003, 6641), (4147, 4809)]