1921915678728

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{2087}}^1\times {\mathrm{723977}}^1$

素因数の和:726126

約数の個数: 64

約数和(自身を含む): 4897798047360

約数和(自身を除く): 2975882368632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 2087, 4174, 6261, 8348, 12522, 16696, 25044, 50088, 110611, 221222, 331833, 442444, 663666, 723977, 884888, 1327332, 1447954, 2171931, 2654664, 2895908, 4343862, 5791816, 8687724, 17375448, 38370781, 76741562, 115112343, 153483124, 230224686, 306966248, 460449372, 920898744, 1510939999, 3021879998, 4532819997, 6043759996, 9065639994, 12087519992, 18131279988, 36262559976, 80079819947, 160159639894, 240239459841, 320319279788, 480478919682, 640638559576, 960957839364, 1921915678728]

約数ペア:

[(1, 1921915678728), (2, 960957839364), (3, 640638559576), (4, 480478919682), (6, 320319279788), (8, 240239459841), (12, 160159639894), (24, 80079819947), (53, 36262559976), (106, 18131279988), (159, 12087519992), (212, 9065639994), (318, 6043759996), (424, 4532819997), (636, 3021879998), (1272, 1510939999), (2087, 920898744), (4174, 460449372), (6261, 306966248), (8348, 230224686), (12522, 153483124), (16696, 115112343), (25044, 76741562), (50088, 38370781), (110611, 17375448), (221222, 8687724), (331833, 5791816), (442444, 4343862), (663666, 2895908), (723977, 2654664), (884888, 2171931), (1327332, 1447954)]