19647216

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 59579520

約数和(自身を除く): 39932304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 43, 48, 57, 72, 76, 86, 114, 129, 144, 152, 167, 171, 172, 228, 258, 304, 334, 342, 344, 387, 456, 501, 516, 668, 684, 688, 774, 817, 912, 1002, 1032, 1336, 1368, 1503, 1548, 1634, 2004, 2064, 2451, 2672, 2736, 3006, 3096, 3173, 3268, 4008, 4902, 6012, 6192, 6346, 6536, 7181, 7353, 8016, 9519, 9804, 12024, 12692, 13072, 14362, 14706, 19038, 19608, 21543, 24048, 25384, 28557, 28724, 29412, 38076, 39216, 43086, 50768, 57114, 57448, 58824, 64629, 76152, 86172, 114228, 114896, 117648, 129258, 136439, 152304, 172344, 228456, 258516, 272878, 344688, 409317, 456912, 517032, 545756, 818634, 1034064, 1091512, 1227951, 1637268, 2183024, 2455902, 3274536, 4911804, 6549072, 9823608, 19647216]

約数ペア:

[(1, 19647216), (2, 9823608), (3, 6549072), (4, 4911804), (6, 3274536), (8, 2455902), (9, 2183024), (12, 1637268), (16, 1227951), (18, 1091512), (19, 1034064), (24, 818634), (36, 545756), (38, 517032), (43, 456912), (48, 409317), (57, 344688), (72, 272878), (76, 258516), (86, 228456), (114, 172344), (129, 152304), (144, 136439), (152, 129258), (167, 117648), (171, 114896), (172, 114228), (228, 86172), (258, 76152), (304, 64629), (334, 58824), (342, 57448), (344, 57114), (387, 50768), (456, 43086), (501, 39216), (516, 38076), (668, 29412), (684, 28724), (688, 28557), (774, 25384), (817, 24048), (912, 21543), (1002, 19608), (1032, 19038), (1336, 14706), (1368, 14362), (1503, 13072), (1548, 12692), (1634, 12024), (2004, 9804), (2064, 9519), (2451, 8016), (2672, 7353), (2736, 7181), (3006, 6536), (3096, 6346), (3173, 6192), (3268, 6012), (4008, 4902)]