19977672

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5821}}^1$

素因数の和:5854

約数の個数: 64

約数和(自身を含む): 58685760

約数和(自身を除く): 38708088

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 286, 312, 429, 572, 858, 1144, 1716, 3432, 5821, 11642, 17463, 23284, 34926, 46568, 64031, 69852, 75673, 128062, 139704, 151346, 192093, 227019, 256124, 302692, 384186, 454038, 512248, 605384, 768372, 832403, 908076, 1536744, 1664806, 1816152, 2497209, 3329612, 4994418, 6659224, 9988836, 19977672]

約数ペア:

[(1, 19977672), (2, 9988836), (3, 6659224), (4, 4994418), (6, 3329612), (8, 2497209), (11, 1816152), (12, 1664806), (13, 1536744), (22, 908076), (24, 832403), (26, 768372), (33, 605384), (39, 512248), (44, 454038), (52, 384186), (66, 302692), (78, 256124), (88, 227019), (104, 192093), (132, 151346), (143, 139704), (156, 128062), (264, 75673), (286, 69852), (312, 64031), (429, 46568), (572, 34926), (858, 23284), (1144, 17463), (1716, 11642), (3432, 5821)]