19463780272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1187}}^1\times {\mathrm{53939}}^1$

素因数の和:55153

約数の個数: 40

約数和(自身を含む): 39730046400

約数和(自身を除く): 20266266128

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1187, 2374, 4748, 9496, 18992, 22553, 45106, 53939, 90212, 107878, 180424, 215756, 360848, 431512, 863024, 1024841, 2049682, 4099364, 8198728, 16397456, 64025593, 128051186, 256102372, 512204744, 1024409488, 1216486267, 2432972534, 4865945068, 9731890136, 19463780272]

約数ペア:

[(1, 19463780272), (2, 9731890136), (4, 4865945068), (8, 2432972534), (16, 1216486267), (19, 1024409488), (38, 512204744), (76, 256102372), (152, 128051186), (304, 64025593), (1187, 16397456), (2374, 8198728), (4748, 4099364), (9496, 2049682), (18992, 1024841), (22553, 863024), (45106, 431512), (53939, 360848), (90212, 215756), (107878, 180424)]