19893456

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:705

約数の個数: 120

約数和(自身を含む): 64028640

約数和(自身を除く): 44135184

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 33, 36, 38, 44, 48, 57, 66, 72, 76, 88, 99, 114, 132, 144, 152, 171, 176, 198, 209, 228, 264, 304, 342, 396, 418, 456, 528, 627, 661, 684, 792, 836, 912, 1254, 1322, 1368, 1584, 1672, 1881, 1983, 2508, 2644, 2736, 3344, 3762, 3966, 5016, 5288, 5949, 7271, 7524, 7932, 10032, 10576, 11898, 12559, 14542, 15048, 15864, 21813, 23796, 25118, 29084, 30096, 31728, 37677, 43626, 47592, 50236, 58168, 65439, 75354, 87252, 95184, 100472, 113031, 116336, 130878, 138149, 150708, 174504, 200944, 226062, 261756, 276298, 301416, 349008, 414447, 452124, 523512, 552596, 602832, 828894, 904248, 1047024, 1105192, 1243341, 1657788, 1808496, 2210384, 2486682, 3315576, 4973364, 6631152, 9946728, 19893456]

約数ペア:

[(1, 19893456), (2, 9946728), (3, 6631152), (4, 4973364), (6, 3315576), (8, 2486682), (9, 2210384), (11, 1808496), (12, 1657788), (16, 1243341), (18, 1105192), (19, 1047024), (22, 904248), (24, 828894), (33, 602832), (36, 552596), (38, 523512), (44, 452124), (48, 414447), (57, 349008), (66, 301416), (72, 276298), (76, 261756), (88, 226062), (99, 200944), (114, 174504), (132, 150708), (144, 138149), (152, 130878), (171, 116336), (176, 113031), (198, 100472), (209, 95184), (228, 87252), (264, 75354), (304, 65439), (342, 58168), (396, 50236), (418, 47592), (456, 43626), (528, 37677), (627, 31728), (661, 30096), (684, 29084), (792, 25118), (836, 23796), (912, 21813), (1254, 15864), (1322, 15048), (1368, 14542), (1584, 12559), (1672, 11898), (1881, 10576), (1983, 10032), (2508, 7932), (2644, 7524), (2736, 7271), (3344, 5949), (3762, 5288), (3966, 5016)]