19533748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 41065920

約数和(自身を除く): 21532172

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1163, 1292, 2326, 4199, 4652, 8398, 15119, 16796, 19771, 22097, 30238, 39542, 44194, 60476, 79084, 88388, 257023, 287261, 375649, 514046, 574522, 751298, 1028092, 1149044, 1502596, 4883437, 9766874, 19533748]

約数ペア:

[(1, 19533748), (2, 9766874), (4, 4883437), (13, 1502596), (17, 1149044), (19, 1028092), (26, 751298), (34, 574522), (38, 514046), (52, 375649), (68, 287261), (76, 257023), (221, 88388), (247, 79084), (323, 60476), (442, 44194), (494, 39542), (646, 30238), (884, 22097), (988, 19771), (1163, 16796), (1292, 15119), (2326, 8398), (4199, 4652)]