18946876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 38133760

約数和(自身を除く): 19186884

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 127, 151, 247, 254, 302, 494, 508, 604, 988, 1651, 1963, 2413, 2869, 3302, 3926, 4826, 5738, 6604, 7852, 9652, 11476, 19177, 31369, 37297, 38354, 62738, 74594, 76708, 125476, 149188, 249301, 364363, 498602, 728726, 997204, 1457452, 4736719, 9473438, 18946876]

約数ペア:

[(1, 18946876), (2, 9473438), (4, 4736719), (13, 1457452), (19, 997204), (26, 728726), (38, 498602), (52, 364363), (76, 249301), (127, 149188), (151, 125476), (247, 76708), (254, 74594), (302, 62738), (494, 38354), (508, 37297), (604, 31369), (988, 19177), (1651, 11476), (1963, 9652), (2413, 7852), (2869, 6604), (3302, 5738), (3926, 4826)]