18929586

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 43908480

約数和(自身を除く): 24978894

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 53, 57, 78, 106, 114, 159, 241, 247, 318, 482, 494, 689, 723, 741, 1007, 1378, 1446, 1482, 2014, 2067, 3021, 3133, 4134, 4579, 6042, 6266, 9158, 9399, 12773, 13091, 13737, 18798, 25546, 26182, 27474, 38319, 39273, 59527, 76638, 78546, 119054, 166049, 178581, 242687, 332098, 357162, 485374, 498147, 728061, 996294, 1456122, 3154931, 6309862, 9464793, 18929586]

約数ペア:

[(1, 18929586), (2, 9464793), (3, 6309862), (6, 3154931), (13, 1456122), (19, 996294), (26, 728061), (38, 498147), (39, 485374), (53, 357162), (57, 332098), (78, 242687), (106, 178581), (114, 166049), (159, 119054), (241, 78546), (247, 76638), (318, 59527), (482, 39273), (494, 38319), (689, 27474), (723, 26182), (741, 25546), (1007, 18798), (1378, 13737), (1446, 13091), (1482, 12773), (2014, 9399), (2067, 9158), (3021, 6266), (3133, 6042), (4134, 4579)]